22501732636 has 6 divisors (see below), whose sum is σ = 39378032120. Its totient is φ = 11250866316.

The previous prime is 22501732613. The next prime is 22501732637. The reversal of 22501732636 is 63623710522.

It is a junction number, because it is equal to n+sod(n) for n = 22501732595 and 22501732604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501732637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2812716576 + ... + 2812716583.

Almost surely, 2^22501732636 is an apocalyptic number.

It is an amenable number.

22501732636 is a deficient number, since it is larger than the sum of its proper divisors (16876299484).

22501732636 is a wasteful number, since it uses less digits than its factorization.

22501732636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625433163 (or 5625433161 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 22501732636 in words is "twenty-two billion, five hundred one million, seven hundred thirty-two thousand, six hundred thirty-six".