22751979 has 16 divisors (see below), whose sum is σ = 31699200. Its totient is φ = 14497056.

The previous prime is 22751977. The next prime is 22752013. The reversal of 22751979 is 97915722.

It is not a de Polignac number, because 22751979 - 2¹ = 22751977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22751979.

It is not an unprimeable number, because it can be changed into a prime (22751977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7692 + ... + 10230.

It is an arithmetic number, because the mean of its divisors is an integer number (1981200).

Almost surely, 2^22751979 is an apocalyptic number.

22751979 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22751979 is a deficient number, since it is larger than the sum of its proper divisors (8947221).

22751979 is a wasteful number, since it uses less digits than its factorization.

22751979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674.

The product of its digits is 79380, while the sum is 42.

The square root of 22751979 is about 4769.9034581425. The cubic root of 22751979 is about 283.3607713528.

The spelling of 22751979 in words is "twenty-two million, seven hundred fifty-one thousand, nine hundred seventy-nine".