22715375 has 16 divisors (see below), whose sum is σ = 29585088. Its totient is φ = 17380000.

The previous prime is 22715339. The next prime is 22715387. The reversal of 22715375 is 57351722.

It is not a de Polignac number, because 22715375 - 2¹⁶ = 22649839 is a prime.

It is a super-2 number, since 2×22715375² = 1031976522781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076 + ... + 6825.

It is an arithmetic number, because the mean of its divisors is an integer number (1849068).

Almost surely, 2^22715375 is an apocalyptic number.

22715375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22715375 is a deficient number, since it is larger than the sum of its proper divisors (6869713).

22715375 is an equidigital number, since it uses as much as digits as its factorization.

22715375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939 (or 7929 counting only the distinct ones).

The product of its digits is 14700, while the sum is 32.

The square root of 22715375 is about 4766.0649387099. The cubic root of 22715375 is about 283.2087302933.

The spelling of 22715375 in words is "twenty-two million, seven hundred fifteen thousand, three hundred seventy-five".