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422061222 = 231147359379
BaseRepresentation
bin11001001010000…
…010010010100110
31002102011221011010
4121022002102212
51331021424342
6105514123050
713313314122
oct3112022246
91072157133
10422061222
111a7273930
12b9420486
1369596c8b
14400a8582
15270c029c
hex192824a6

422061222 has 64 divisors (see below), whose sum is σ = 945561600. Its totient is φ = 124498080.

The previous prime is 422061217. The next prime is 422061223. The reversal of 422061222 is 222160224.

It is a super-2 number, since 2×4220612222 = 356271350232266568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422061223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1113429 + ... + 1113807.

It is an arithmetic number, because the mean of its divisors is an integer number (14774400).

Almost surely, 2422061222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422061222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472780800).

422061222 is an abundant number, since it is smaller than the sum of its proper divisors (523500378).

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

422061222 is a wasteful number, since it uses less digits than its factorization.

422061222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 422061222 is about 20544.1286502981. The cubic root of 422061222 is about 750.1103375445.

The spelling of 422061222 in words is "four hundred twenty-two million, sixty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 47 66 94 141 282 359 379 517 718 758 1034 1077 1137 1551 2154 2274 3102 3949 4169 7898 8338 11847 12507 16873 17813 23694 25014 33746 35626 50619 53439 101238 106878 136061 185603 195943 272122 371206 391886 408183 556809 587829 816366 1113618 1175658 1496671 2993342 4490013 6394867 8980026 12789734 19184601 38369202 70343537 140687074 211030611 422061222