22363644136 has 16 divisors (see below), whose sum is σ = 41954200740. Its totient is φ = 11175857280.

The previous prime is 22363644103. The next prime is 22363644151. The reversal of 22363644136 is 63144636322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22138464100 + 225180036 = 148790^2 + 15006^2 .

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, 729645 + ... + 759676.

Almost surely, 2^22363644136 is an apocalyptic number.

It is an amenable number.

22363644136 is a deficient number, since it is larger than the sum of its proper divisors (19590556604).

22363644136 is a wasteful number, since it uses less digits than its factorization.

22363644136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491204 (or 1491200 counting only the distinct ones).

The product of its digits is 373248, while the sum is 40.

The spelling of 22363644136 in words is "twenty-two billion, three hundred sixty-three million, six hundred forty-four thousand, one hundred thirty-six".