22540155524 has 24 divisors (see below), whose sum is σ = 39537288000. Its totient is φ = 11243818080.

The previous prime is 22540155481. The next prime is 22540155553. The reversal of 22540155524 is 42555104522.

It is a super-2 number, since 2×22540155524² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4172177 + ... + 4177575.

It is an arithmetic number, because the mean of its divisors is an integer number (1647387000).

Almost surely, 2^22540155524 is an apocalyptic number.

It is an amenable number.

22540155524 is a deficient number, since it is larger than the sum of its proper divisors (16997132476).

22540155524 is a wasteful number, since it uses less digits than its factorization.

22540155524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643 (or 7641 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 22540155524 in words is "twenty-two billion, five hundred forty million, one hundred fifty-five thousand, five hundred twenty-four".