23422499 has 4 divisors (see below), whose sum is σ = 23540400. Its totient is φ = 23304600.

The previous prime is 23422471. The next prime is 23422501. The reversal of 23422499 is 99422432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23422499 is a prime.

It is a super-2 number, since 2×23422499² = 1097226918810002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23422409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58652 + ... + 59049.

It is an arithmetic number, because the mean of its divisors is an integer number (5885100).

Almost surely, 2^23422499 is an apocalyptic number.

23422499 is a deficient number, since it is larger than the sum of its proper divisors (117901).

23422499 is a wasteful number, since it uses less digits than its factorization.

23422499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117900.

The product of its digits is 31104, while the sum is 35.

The square root of 23422499 is about 4839.6796381579. The cubic root of 23422499 is about 286.1174921113.

The spelling of 23422499 in words is "twenty-three million, four hundred twenty-two thousand, four hundred ninety-nine".