22679457 has 4 divisors (see below), whose sum is σ = 30239280. Its totient is φ = 15119636.

The previous prime is 22679443. The next prime is 22679471. The reversal of 22679457 is 75497622.

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 an interprime number because it is at equal distance from previous prime (22679443) and next prime (22679471).

It is a cyclic number.

It is not a de Polignac number, because 22679457 - 2⁴ = 22679441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22679477) 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, 3779907 + ... + 3779912.

It is an arithmetic number, because the mean of its divisors is an integer number (7559820).

Almost surely, 2^22679457 is an apocalyptic number.

It is an amenable number.

22679457 is a deficient number, since it is larger than the sum of its proper divisors (7559823).

22679457 is an equidigital number, since it uses as much as digits as its factorization.

22679457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559822.

The product of its digits is 211680, while the sum is 42.

The square root of 22679457 is about 4762.2953499337. The cubic root of 22679457 is about 283.0593797993.

The spelling of 22679457 in words is "twenty-two million, six hundred seventy-nine thousand, four hundred fifty-seven".