22724842722 has 16 divisors (see below), whose sum is σ = 45630762912. Its totient is φ = 7544768000.

The previous prime is 22724842639. The next prime is 22724842729.

22724842722 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (22724842729) 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, 7543263 + ... + 7546274.

It is an arithmetic number, because the mean of its divisors is an integer number (2851922682).

Almost surely, 2^22724842722 is an apocalyptic number.

22724842722 is an abundant number, since it is smaller than the sum of its proper divisors (22905920190).

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

22724842722 is a wasteful number, since it uses less digits than its factorization.

22724842722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15089793.

The product of its digits is 401408, while the sum is 42.

The spelling of 22724842722 in words is "twenty-two billion, seven hundred twenty-four million, eight hundred forty-two thousand, seven hundred twenty-two".