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2220011022222 = 232777322793189
BaseRepresentation
bin100000010011100010111…
…101111110011110001110
321212020020101101210100200
4200103202331332132032
5242333040310202342
64415505312434330
7316250641223520
oct40234275763616
97766211353320
102220011022222
1178655738a184
122ba3052489a6
1313146661a0a6
14796404c5a10
153cb3314894c
hex204e2f7e78e

2220011022222 has 48 divisors (see below), whose sum is σ = 5504281866720. Its totient is φ = 633468280896.

The previous prime is 2220011022221. The next prime is 2220011022311. The reversal of 2220011022222 is 2222201100222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220011022195 and 2220011022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220011022221) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11299197 + ... + 11493992.

It is an arithmetic number, because the mean of its divisors is an integer number (114672538890).

Almost surely, 22220011022222 is an apocalyptic number.

2220011022222 is an abundant number, since it is smaller than the sum of its proper divisors (3284270844498).

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

2220011022222 is a wasteful number, since it uses less digits than its factorization.

2220011022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22793977 (or 22793974 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2220011022222 its reverse (2222201100222), we get a palindrome (4442212122444).

The spelling of 2220011022222 in words is "two trillion, two hundred twenty billion, eleven million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 773 1546 2319 4638 5411 6957 10822 13914 16233 32466 48699 97398 22793189 45586378 68379567 136759134 159552323 205138701 319104646 410277402 478656969 957313938 1435970907 2871941814 17619135097 35238270194 52857405291 105714810582 123333945679 158572215873 246667891358 317144431746 370001837037 740003674074 1110005511111 2220011022222