22756507572468 has 48 divisors (see below), whose sum is σ = 56315462829696. Its totient is φ = 7136752191360.

The previous prime is 22756507572433. The next prime is 22756507572481. The reversal of 22756507572468 is 86427570565722.

It is a happy number.

It is a super-2 number, since 2×22756507572468² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22756507572399 and 22756507572408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675811971 + ... + 675845642.

It is an arithmetic number, because the mean of its divisors is an integer number (1173238808952).

Almost surely, 2^{22756507572468} is an apocalyptic number.

It is an amenable number.

22756507572468 is an abundant number, since it is smaller than the sum of its proper divisors (33558955257228).

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

22756507572468 is a wasteful number, since it uses less digits than its factorization.

22756507572468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351657704 (or 1351657702 counting only the distinct ones).

The product of its (nonzero) digits is 395136000, while the sum is 66.

The spelling of 22756507572468 in words is "twenty-two trillion, seven hundred fifty-six billion, five hundred seven million, five hundred seventy-two thousand, four hundred sixty-eight".