22430979 has 8 divisors (see below), whose sum is σ = 33231120. Its totient is φ = 14953968.

The previous prime is 22430951. The next prime is 22430983. The reversal of 22430979 is 97903422.

It is not a de Polignac number, because 22430979 - 2⁷ = 22430851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22430909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415362 + ... + 415415.

It is an arithmetic number, because the mean of its divisors is an integer number (4153890).

Almost surely, 2^22430979 is an apocalyptic number.

22430979 is a deficient number, since it is larger than the sum of its proper divisors (10800141).

22430979 is an equidigital number, since it uses as much as digits as its factorization.

22430979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830786 (or 830780 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 22430979 is about 4736.1354499212. The cubic root of 22430979 is about 282.0218407711.

It can be divided in two parts, 22430 and 979, that added together give a square (23409 = 153²).

The spelling of 22430979 in words is "twenty-two million, four hundred thirty thousand, nine hundred seventy-nine".