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221222002200232 = 231138313523485371
BaseRepresentation
bin110010010011001101000010…
…110110111000111010101000
31002000021121122200211020211111
4302103031002312320322220
5212444000130030401412
62102255552415440104
764411522304554015
oct6223150266707250
91060247580736744
10221222002200232
11645407a6aa6130
122098a380b26034
1396591b729cbb7
143c8b2b856070c
151a8975a5262a7
hexc93342db8ea8

221222002200232 has 64 divisors (see below), whose sum is σ = 453715494543360. Its totient is φ = 100285285579200.

The previous prime is 221222002200163. The next prime is 221222002200247. The reversal of 221222002200232 is 232002200222122.

It is a super-3 number, since 3×2212220022002323 (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455536507 + ... + 456021877.

It is an arithmetic number, because the mean of its divisors is an integer number (7089304602240).

Almost surely, 2221222002200232 is an apocalyptic number.

221222002200232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221222002200232 is an abundant number, since it is smaller than the sum of its proper divisors (232493492343128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221222002200232 is a wasteful number, since it uses less digits than its factorization.

221222002200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499294 (or 499290 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 221222002200232 its reverse (232002200222122), we get a palindrome (453224202422354).

The spelling of 221222002200232 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two million, two hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 383 766 1532 3064 4213 8426 13523 16852 27046 33704 54092 108184 148753 297506 485371 595012 970742 1190024 1941484 3882968 5179309 5339081 10358618 10678162 20717236 21356324 41434472 42712648 56972399 113944798 185897093 227889596 371794186 455779192 743588372 1487176744 2044868023 4089736046 6563672033 8179472092 13127344066 16358944184 26254688132 52509376264 72200392363 144400784726 288801569452 577603138904 2513886388639 5027772777278 10055545554556 20111091109112 27652750275029 55305500550058 110611001100116 221222002200232