22663479 has 4 divisors (see below), whose sum is σ = 30217976. Its totient is φ = 15108984.

The previous prime is 22663463. The next prime is 22663481. The reversal of 22663479 is 97436622.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22663479 - 2⁴ = 22663463 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 (22663429) 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, 3777244 + ... + 3777249.

It is an arithmetic number, because the mean of its divisors is an integer number (7554494).

Almost surely, 2^22663479 is an apocalyptic number.

22663479 is a deficient number, since it is larger than the sum of its proper divisors (7554497).

22663479 is an equidigital number, since it uses as much as digits as its factorization.

22663479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7554496.

The product of its digits is 108864, while the sum is 39.

The square root of 22663479 is about 4760.6175019634. The cubic root of 22663479 is about 282.9928910633.

The spelling of 22663479 in words is "twenty-two million, six hundred sixty-three thousand, four hundred seventy-nine".