22857038 has 16 divisors (see below), whose sum is σ = 36529920. Its totient is φ = 10695096.

The previous prime is 22856989. The next prime is 22857053. The reversal of 22857038 is 83075822.

It is a happy number.

It is a super-2 number, since 2×22857038² = 1044888372266888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22856989 and 22857007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (2283120).

Almost surely, 2^22857038 is an apocalyptic number.

22857038 is a deficient number, since it is larger than the sum of its proper divisors (13672882).

22857038 is a wasteful number, since it uses less digits than its factorization.

22857038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 22857038 is about 4780.9034711025. The cubic root of 22857038 is about 283.7962484210.

The spelling of 22857038 in words is "twenty-two million, eight hundred fifty-seven thousand, thirty-eight".