22715715 has 32 divisors (see below), whose sum is σ = 40937472. Its totient is φ = 10656000.

The previous prime is 22715713. The next prime is 22715717. The reversal of 22715715 is 51751722.

It is an interprime number because it is at equal distance from previous prime (22715713) and next prime (22715717).

It is not a de Polignac number, because 22715715 - 2¹ = 22715713 is a prime.

It is a super-2 number, since 2×22715715² = 1032007415922450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22715713) 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 31 ways as a sum of consecutive naturals, for example, 2895 + ... + 7335.

It is an arithmetic number, because the mean of its divisors is an integer number (1279296).

Almost surely, 2^22715715 is an apocalyptic number.

22715715 is a deficient number, since it is larger than the sum of its proper divisors (18221757).

22715715 is a wasteful number, since it uses less digits than its factorization.

22715715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491.

The product of its digits is 4900, while the sum is 30.

The square root of 22715715 is about 4766.1006074148. The cubic root of 22715715 is about 283.2101432935.

It can be divided in two parts, 227157 and 15, that multiplied together give a triangular number (3407355 = T₂₆₁₀).

The spelling of 22715715 in words is "twenty-two million, seven hundred fifteen thousand, seven hundred fifteen".