22265693556 has 12 divisors (see below), whose sum is σ = 51953284992. Its totient is φ = 7421897848.

The previous prime is 22265693551. The next prime is 22265693557. The reversal of 22265693556 is 65539656222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22265693556² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22265693499 and 22265693508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265693551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927737220 + ... + 927737243.

It is an arithmetic number, because the mean of its divisors is an integer number (4329440416).

Almost surely, 2^22265693556 is an apocalyptic number.

It is an amenable number.

22265693556 is an abundant number, since it is smaller than the sum of its proper divisors (29687591436).

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

22265693556 is a wasteful number, since it uses less digits than its factorization.

22265693556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855474470 (or 1855474468 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 51.

The spelling of 22265693556 in words is "twenty-two billion, two hundred sixty-five million, six hundred ninety-three thousand, five hundred fifty-six".