22745321828 has 12 divisors (see below), whose sum is σ = 41534935680. Its totient is φ = 10878197352.

The previous prime is 22745321803. The next prime is 22745321849. The reversal of 22745321828 is 82812354722.

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, 123615788 + ... + 123615971.

It is an arithmetic number, because the mean of its divisors is an integer number (3461244640).

Almost surely, 2^22745321828 is an apocalyptic number.

It is an amenable number.

22745321828 is a deficient number, since it is larger than the sum of its proper divisors (18789613852).

22745321828 is a wasteful number, since it uses less digits than its factorization.

22745321828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247231786 (or 247231784 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The spelling of 22745321828 in words is "twenty-two billion, seven hundred forty-five million, three hundred twenty-one thousand, eight hundred twenty-eight".