22427828 has 24 divisors (see below), whose sum is σ = 43747200. Its totient is φ = 9998208.

The previous prime is 22427753. The next prime is 22427837. The reversal of 22427828 is 82872422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7388 + ... + 9971.

It is an arithmetic number, because the mean of its divisors is an integer number (1822800).

Almost surely, 2^22427828 is an apocalyptic number.

It is an amenable number.

22427828 is a deficient number, since it is larger than the sum of its proper divisors (21319372).

22427828 is a wasteful number, since it uses less digits than its factorization.

22427828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17399 (or 17397 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 22427828 is about 4735.8027830559. The cubic root of 22427828 is about 282.0086344455.

The spelling of 22427828 in words is "twenty-two million, four hundred twenty-seven thousand, eight hundred twenty-eight".