22352666556 has 48 divisors (see below), whose sum is σ = 56997884160. Its totient is φ = 6761608320.

The previous prime is 22352666533. The next prime is 22352666561. The reversal of 22352666556 is 65566625322.

It is a super-2 number, since 2×22352666556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73696 + ... + 223911.

It is an arithmetic number, because the mean of its divisors is an integer number (1187455920).

Almost surely, 2^22352666556 is an apocalyptic number.

It is an amenable number.

22352666556 is an abundant number, since it is smaller than the sum of its proper divisors (34645217604).

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

22352666556 is a wasteful number, since it uses less digits than its factorization.

22352666556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298194 (or 298192 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 48.

The spelling of 22352666556 in words is "twenty-two billion, three hundred fifty-two million, six hundred sixty-six thousand, five hundred fifty-six".