22657009388 has 12 divisors (see below), whose sum is σ = 42699748560. Its totient is φ = 10457081232.

The previous prime is 22657009351. The next prime is 22657009391. The reversal of 22657009388 is 88390075622.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217855808 + ... + 217855911.

It is an arithmetic number, because the mean of its divisors is an integer number (3558312380).

Almost surely, 2^22657009388 is an apocalyptic number.

It is an amenable number.

22657009388 is a deficient number, since it is larger than the sum of its proper divisors (20042739172).

22657009388 is a wasteful number, since it uses less digits than its factorization.

22657009388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435711736 (or 435711734 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 22657009388 in words is "twenty-two billion, six hundred fifty-seven million, nine thousand, three hundred eighty-eight".