22690679 has 4 divisors (see below), whose sum is σ = 24753480. Its totient is φ = 20627880.

The previous prime is 22690643. The next prime is 22690691. The reversal of 22690679 is 97609622.

It is a happy number.

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 22690679 - 2¹² = 22686583 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 (22690979) 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, 1031384 + ... + 1031405.

It is an arithmetic number, because the mean of its divisors is an integer number (6188370).

Almost surely, 2^22690679 is an apocalyptic number.

22690679 is a deficient number, since it is larger than the sum of its proper divisors (2062801).

22690679 is a wasteful number, since it uses less digits than its factorization.

22690679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062800.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 22690679 is about 4763.4734175809. The cubic root of 22690679 is about 283.1060588797.

The spelling of 22690679 in words is "twenty-two million, six hundred ninety thousand, six hundred seventy-nine".