22125161251056 has 80 divisors (see below), whose sum is σ = 59128525308960. Its totient is φ = 7120628444160.

The previous prime is 22125161250977. The next prime is 22125161251133. The reversal of 22125161251056 is 65015216152122.

It is a happy number.

It is a super-2 number, since 2×22125161251056² (a number of 27 digits) contains 22 as substring.

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, 166713366 + ... + 166846026.

It is an arithmetic number, because the mean of its divisors is an integer number (739106566362).

Almost surely, 2^{22125161251056} is an apocalyptic number.

It is an amenable number.

22125161251056 is an abundant number, since it is smaller than the sum of its proper divisors (37003364057904).

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

22125161251056 is a wasteful number, since it uses less digits than its factorization.

22125161251056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252514 (or 252508 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 22125161251056 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred sixty-one million, two hundred fifty-one thousand, fifty-six".