22115635252 has 6 divisors (see below), whose sum is σ = 38702361698. Its totient is φ = 11057817624.

The previous prime is 22115635237. The next prime is 22115635279. The reversal of 22115635252 is 25253651122.

It can be written as a sum of positive squares in only one way, i.e., 17248619556 + 4867015696 = 131334^2 + 69764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2764454403 + ... + 2764454410.

Almost surely, 2^22115635252 is an apocalyptic number.

It is an amenable number.

22115635252 is a deficient number, since it is larger than the sum of its proper divisors (16586726446).

22115635252 is a wasteful number, since it uses less digits than its factorization.

22115635252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528908817 (or 5528908815 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The spelling of 22115635252 in words is "twenty-two billion, one hundred fifteen million, six hundred thirty-five thousand, two hundred fifty-two".