22074857 has 16 divisors (see below), whose sum is σ = 26986752. Its totient is φ = 17625600.

The previous prime is 22074853. The next prime is 22074859. The reversal of 22074857 is 75847022.

It is not a de Polignac number, because 22074857 - 2² = 22074853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22074853) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11357 + ... + 13157.

It is an arithmetic number, because the mean of its divisors is an integer number (1686672).

Almost surely, 2^22074857 is an apocalyptic number.

It is an amenable number.

22074857 is a deficient number, since it is larger than the sum of its proper divisors (4911895).

22074857 is a wasteful number, since it uses less digits than its factorization.

22074857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 22074857 is about 4698.3887663751. The cubic root of 22074857 is about 280.5213797420.

It can be divided in two parts, 220748 and 57, that multiplied together give a triangular number (12582636 = T₅₀₁₆).

The spelling of 22074857 in words is "twenty-two million, seventy-four thousand, eight hundred fifty-seven".