22399148028 has 24 divisors (see below), whose sum is σ = 53121478480. Its totient is φ = 7343982720.

The previous prime is 22399148027. The next prime is 22399148033. The reversal of 22399148028 is 82084199322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22399148027) 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, 15299233 + ... + 15300696.

Almost surely, 2^22399148028 is an apocalyptic number.

It is an amenable number.

22399148028 is an abundant number, since it is smaller than the sum of its proper divisors (30722330452).

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

22399148028 is a wasteful number, since it uses less digits than its factorization.

22399148028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30599997 (or 30599995 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 22399148028 in words is "twenty-two billion, three hundred ninety-nine million, one hundred forty-eight thousand, twenty-eight".