22989605 has 16 divisors (see below), whose sum is σ = 28684800. Its totient is φ = 17666880.

The previous prime is 22989557. The next prime is 22989607. The reversal of 22989605 is 50698922.

It is not a de Polignac number, because 22989605 - 2⁶ = 22989541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22989607) 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, 47756 + ... + 48234.

It is an arithmetic number, because the mean of its divisors is an integer number (1792800).

Almost surely, 2^22989605 is an apocalyptic number.

It is an amenable number.

22989605 is a deficient number, since it is larger than the sum of its proper divisors (5695195).

22989605 is a wasteful number, since it uses less digits than its factorization.

22989605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 22989605 is about 4794.7476471656. The cubic root of 22989605 is about 284.3438480548.

The spelling of 22989605 in words is "twenty-two million, nine hundred eighty-nine thousand, six hundred five".