22431610828 has 12 divisors (see below), whose sum is σ = 42823984392. Its totient is φ = 10196186720.

The previous prime is 22431610811. The next prime is 22431610829. The reversal of 22431610828 is 82801613422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22431610829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254904625 + ... + 254904712.

It is an arithmetic number, because the mean of its divisors is an integer number (3568665366).

Almost surely, 2^22431610828 is an apocalyptic number.

It is an amenable number.

22431610828 is a deficient number, since it is larger than the sum of its proper divisors (20392373564).

22431610828 is a wasteful number, since it uses less digits than its factorization.

22431610828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509809352 (or 509809350 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 22431610828 in words is "twenty-two billion, four hundred thirty-one million, six hundred ten thousand, eight hundred twenty-eight".