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22213313112 = 2331396658667
BaseRepresentation
bin10100101100000001…
…000100001001011000
32010100002021020001110
4110230001010021120
5330443102004422
614112112220320
71414316021544
oct245401041130
963302236043
1022213313112
119469921a11
12437b23a6a0
1321300bab73
14110a22aa24
158a021760c
hex52c044258

22213313112 has 32 divisors (see below), whose sum is σ = 55932811200. Its totient is φ = 7351167264.

The previous prime is 22213313071. The next prime is 22213313113. The reversal of 22213313112 is 21131331222.

It is a super-2 number, since 2×222133131122 (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213313113) 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 7 ways as a sum of consecutive naturals, for example, 3325998 + ... + 3332669.

It is an arithmetic number, because the mean of its divisors is an integer number (1747900350).

Almost surely, 222213313112 is an apocalyptic number.

It is an amenable number.

22213313112 is an abundant number, since it is smaller than the sum of its proper divisors (33719498088).

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

22213313112 is a wasteful number, since it uses less digits than its factorization.

22213313112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658815 (or 6658811 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 22213313112 its reverse (21131331222), we get a palindrome (43344644334).

The spelling of 22213313112 in words is "twenty-two billion, two hundred thirteen million, three hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 139 278 417 556 834 1112 1668 3336 6658667 13317334 19976001 26634668 39952002 53269336 79904004 159808008 925554713 1851109426 2776664139 3702218852 5553328278 7404437704 11106656556 22213313112