22823479 has 4 divisors (see below), whose sum is σ = 26083984. Its totient is φ = 19562976.

The previous prime is 22823477. The next prime is 22823513. The reversal of 22823479 is 97432822.

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

It is a cyclic number.

It is not a de Polignac number, because 22823479 - 2¹ = 22823477 is a prime.

It is a super-2 number, since 2×22823479² = 1041822387326882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22823473) 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, 1630242 + ... + 1630255.

It is an arithmetic number, because the mean of its divisors is an integer number (6520996).

Almost surely, 2^22823479 is an apocalyptic number.

22823479 is a deficient number, since it is larger than the sum of its proper divisors (3260505).

22823479 is an equidigital number, since it uses as much as digits as its factorization.

22823479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260504.

The product of its digits is 48384, while the sum is 37.

The square root of 22823479 is about 4777.3924896328. The cubic root of 22823479 is about 283.6572892792.

The spelling of 22823479 in words is "twenty-two million, eight hundred twenty-three thousand, four hundred seventy-nine".