22646679 has 16 divisors (see below), whose sum is σ = 33122304. Its totient is φ = 13649600.

The previous prime is 22646653. The next prime is 22646683. The reversal of 22646679 is 97664622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22646679 - 2¹¹ = 22644631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22646679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22646609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4507 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (2070144).

Almost surely, 2^22646679 is an apocalyptic number.

22646679 is a deficient number, since it is larger than the sum of its proper divisors (10475625).

22646679 is a wasteful number, since it uses less digits than its factorization.

22646679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798.

The product of its digits is 217728, while the sum is 42.

The square root of 22646679 is about 4758.8526978674. The cubic root of 22646679 is about 282.9229480534.

The spelling of 22646679 in words is "twenty-two million, six hundred forty-six thousand, six hundred seventy-nine".