22502281636 has 12 divisors (see below), whose sum is σ = 40046433840. Its totient is φ = 11060443400.

The previous prime is 22502281631. The next prime is 22502281639. The reversal of 22502281636 is 63618220522.

It is a junction number, because it is equal to n+sod(n) for n = 22502281595 and 22502281604.

It is not an unprimeable number, because it can be changed into a prime (22502281631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47674090 + ... + 47674561.

It is an arithmetic number, because the mean of its divisors is an integer number (3337202820).

Almost surely, 2^22502281636 is an apocalyptic number.

It is an amenable number.

22502281636 is a deficient number, since it is larger than the sum of its proper divisors (17544152204).

22502281636 is a wasteful number, since it uses less digits than its factorization.

22502281636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95348714 (or 95348712 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 22502281636 in words is "twenty-two billion, five hundred two million, two hundred eighty-one thousand, six hundred thirty-six".