22979361 has 4 divisors (see below), whose sum is σ = 30639152. Its totient is φ = 15319572.

The previous prime is 22979357. The next prime is 22979387. The reversal of 22979361 is 16397922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22979361 - 2² = 22979357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22979321) 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, 3829891 + ... + 3829896.

It is an arithmetic number, because the mean of its divisors is an integer number (7659788).

Almost surely, 2^22979361 is an apocalyptic number.

It is an amenable number.

22979361 is a deficient number, since it is larger than the sum of its proper divisors (7659791).

22979361 is an equidigital number, since it uses as much as digits as its factorization.

22979361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659790.

The product of its digits is 40824, while the sum is 39.

The square root of 22979361 is about 4793.6792758799. The cubic root of 22979361 is about 284.3016079332.

The spelling of 22979361 in words is "twenty-two million, nine hundred seventy-nine thousand, three hundred sixty-one".