22809428238 has 64 divisors (see below), whose sum is σ = 47262180672. Its totient is φ = 7333969920.

The previous prime is 22809428231. The next prime is 22809428251. The reversal of 22809428238 is 83282490822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22809428231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8212306 + ... + 8215082.

It is an arithmetic number, because the mean of its divisors is an integer number (738471573).

Almost surely, 2^22809428238 is an apocalyptic number.

22809428238 is an abundant number, since it is smaller than the sum of its proper divisors (24452752434).

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

22809428238 is a wasteful number, since it uses less digits than its factorization.

22809428238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189.

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 22809428238 in words is "twenty-two billion, eight hundred nine million, four hundred twenty-eight thousand, two hundred thirty-eight".