22729570720 has 48 divisors (see below), whose sum is σ = 53709143040. Its totient is φ = 9090045184.

The previous prime is 22729570711. The next prime is 22729570723. The reversal of 22729570720 is 2707592722.

It is not an unprimeable number, because it can be changed into a prime (22729570723) 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, 1064469 + ... + 1085611.

It is an arithmetic number, because the mean of its divisors is an integer number (1118940480).

Almost surely, 2^22729570720 is an apocalyptic number.

22729570720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22729570720 is an abundant number, since it is smaller than the sum of its proper divisors (30979572320).

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

22729570720 is a wasteful number, since it uses less digits than its factorization.

22729570720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27877 (or 27869 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 22729570720 in words is "twenty-two billion, seven hundred twenty-nine million, five hundred seventy thousand, seven hundred twenty".