22601561936 has 20 divisors (see below), whose sum is σ = 43795048500. Its totient is φ = 11299613952.

The previous prime is 22601561903. The next prime is 22601561963. The reversal of 22601561936 is 63916510622.

It can be written as a sum of positive squares in 2 ways, for example, as 22513201936 + 88360000 = 150044^2 + 9400^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22601561893 and 22601561902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99140 + ... + 234588.

It is an arithmetic number, because the mean of its divisors is an integer number (2189752425).

Almost surely, 2^22601561936 is an apocalyptic number.

It is an amenable number.

22601561936 is a deficient number, since it is larger than the sum of its proper divisors (21193486564).

22601561936 is a wasteful number, since it uses less digits than its factorization.

22601561936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145886 (or 145880 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 22601561936 in words is "twenty-two billion, six hundred one million, five hundred sixty-one thousand, nine hundred thirty-six".