22894979 has 4 divisors (see below), whose sum is σ = 23015040. Its totient is φ = 22774920.

The previous prime is 22894973. The next prime is 22894987. The reversal of 22894979 is 97949822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97949822 = 2 ⋅48974911.

It is a cyclic number.

It is not a de Polignac number, because 22894979 - 2⁸ = 22894723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22894973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59744 + ... + 60125.

It is an arithmetic number, because the mean of its divisors is an integer number (5753760).

Almost surely, 2^22894979 is an apocalyptic number.

22894979 is a deficient number, since it is larger than the sum of its proper divisors (120061).

22894979 is a wasteful number, since it uses less digits than its factorization.

22894979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120060.

The product of its digits is 653184, while the sum is 50.

The square root of 22894979 is about 4784.8697996915. The cubic root of 22894979 is about 283.9531885750.

The spelling of 22894979 in words is "twenty-two million, eight hundred ninety-four thousand, nine hundred seventy-nine".