22631750736 has 120 divisors (see below), whose sum is σ = 68530819104. Its totient is φ = 6416766720.

The previous prime is 22631750719. The next prime is 22631750741. The reversal of 22631750736 is 63705713622.

It is a super-2 number, since 2×22631750736² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271386 + ... + 344838.

Almost surely, 2^22631750736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22631750736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34265409552).

22631750736 is an abundant number, since it is smaller than the sum of its proper divisors (45899068368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22631750736 is a wasteful number, since it uses less digits than its factorization.

22631750736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73609 (or 73596 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 22631750736 in words is "twenty-two billion, six hundred thirty-one million, seven hundred fifty thousand, seven hundred thirty-six".