22258828 has 12 divisors (see below), whose sum is σ = 39009712. Its totient is φ = 11113200.

The previous prime is 22258813. The next prime is 22258843. The reversal of 22258828 is 82885222.

It is an interprime number because it is at equal distance from previous prime (22258813) and next prime (22258843).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648 + ... + 6703.

Almost surely, 2^22258828 is an apocalyptic number.

It is an amenable number.

22258828 is a deficient number, since it is larger than the sum of its proper divisors (16750884).

22258828 is a wasteful number, since it uses less digits than its factorization.

22258828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112 (or 8110 counting only the distinct ones).

The product of its digits is 40960, while the sum is 37.

The square root of 22258828 is about 4717.9262393556. The cubic root of 22258828 is about 281.2985096244.

The spelling of 22258828 in words is "twenty-two million, two hundred fifty-eight thousand, eight hundred twenty-eight".