22723975 has 6 divisors (see below), whose sum is σ = 28177760. Its totient is φ = 18179160.

The previous prime is 22723973. The next prime is 22723979. The reversal of 22723975 is 57932722.

It is not a de Polignac number, because 22723975 - 2¹ = 22723973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22723973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454455 + ... + 454504.

Almost surely, 2^22723975 is an apocalyptic number.

22723975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22723975 is a deficient number, since it is larger than the sum of its proper divisors (5453785).

22723975 is an equidigital number, since it uses as much as digits as its factorization.

22723975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908969 (or 908964 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 22723975 is about 4766.9670651264. The cubic root of 22723975 is about 283.2444665553.

The spelling of 22723975 in words is "twenty-two million, seven hundred twenty-three thousand, nine hundred seventy-five".