22679957 has 4 divisors (see below), whose sum is σ = 22888140. Its totient is φ = 22471776.

The previous prime is 22679947. The next prime is 22679971. The reversal of 22679957 is 75997622.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5424241 + 17255716 = 2329^2 + 4154^2 .

It is a cyclic number.

It is not a de Polignac number, because 22679957 - 2⁶ = 22679893 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 (22679947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103928 + ... + 104145.

It is an arithmetic number, because the mean of its divisors is an integer number (5722035).

Almost surely, 2^22679957 is an apocalyptic number.

It is an amenable number.

22679957 is a deficient number, since it is larger than the sum of its proper divisors (208183).

22679957 is a wasteful number, since it uses less digits than its factorization.

22679957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208182.

The product of its digits is 476280, while the sum is 47.

The square root of 22679957 is about 4762.3478453385. The cubic root of 22679957 is about 283.0614599292.

The spelling of 22679957 in words is "twenty-two million, six hundred seventy-nine thousand, nine hundred fifty-seven".