22979573 has 4 divisors (see below), whose sum is σ = 22989228. Its totient is φ = 22969920.

The previous prime is 22979549. The next prime is 22979603. The reversal of 22979573 is 37597922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22061809 + 917764 = 4697^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 22979573 - 2¹⁶ = 22914037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22979503) 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, 1565 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (5747307).

Almost surely, 2^22979573 is an apocalyptic number.

It is an amenable number.

22979573 is a deficient number, since it is larger than the sum of its proper divisors (9655).

22979573 is an equidigital number, since it uses as much as digits as its factorization.

22979573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654.

The product of its digits is 238140, while the sum is 44.

The square root of 22979573 is about 4793.7013882803. The cubic root of 22979573 is about 284.3024822215.

The spelling of 22979573 in words is "twenty-two million, nine hundred seventy-nine thousand, five hundred seventy-three".