22730912732 has 24 divisors (see below), whose sum is σ = 45679347840. Its totient is φ = 9788430960.

The previous prime is 22730912731. The next prime is 22730912753. The reversal of 22730912732 is 23721903722.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22730912731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13594208 + ... + 13595879.

It is an arithmetic number, because the mean of its divisors is an integer number (1903306160).

Almost surely, 2^22730912732 is an apocalyptic number.

22730912732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22730912732 is an abundant number, since it is smaller than the sum of its proper divisors (22948435108).

22730912732 is a wasteful number, since it uses less digits than its factorization.

22730912732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27190121 (or 27190119 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 22730912732 in words is "twenty-two billion, seven hundred thirty million, nine hundred twelve thousand, seven hundred thirty-two".