22828312 has 16 divisors (see below), whose sum is σ = 46095840. Its totient is φ = 10536096.

The previous prime is 22828303. The next prime is 22828321. The reversal of 22828312 is 21382822.

It is an interprime number because it is at equal distance from previous prime (22828303) and next prime (22828321).

It is a super-2 number, since 2×22828312² = 1042263657538688, which contains 22 as substring.

It is a congruent number.

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, 109648 + ... + 109855.

It is an arithmetic number, because the mean of its divisors is an integer number (2880990).

Almost surely, 2^22828312 is an apocalyptic number.

It is an amenable number.

22828312 is an abundant number, since it is smaller than the sum of its proper divisors (23267528).

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

22828312 is a wasteful number, since it uses less digits than its factorization.

22828312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219522 (or 219518 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 22828312 is about 4777.8982827180. The cubic root of 22828312 is about 283.6773098747.

The spelling of 22828312 in words is "twenty-two million, eight hundred twenty-eight thousand, three hundred twelve".