22713999 has 36 divisors (see below), whose sum is σ = 38754072. Its totient is φ = 11790240.

The previous prime is 22713973. The next prime is 22714033. The reversal of 22713999 is 99931722.

It is a happy number.

It is not a de Polignac number, because 22713999 - 2⁹ = 22713487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22713999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22713919) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17149 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (1076502).

Almost surely, 2^22713999 is an apocalyptic number.

22713999 is a deficient number, since it is larger than the sum of its proper divisors (16040073).

22713999 is a wasteful number, since it uses less digits than its factorization.

22713999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1298 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 22713999 is about 4765.9205826367. The cubic root of 22713999 is about 283.2030116544.

The spelling of 22713999 in words is "twenty-two million, seven hundred thirteen thousand, nine hundred ninety-nine".