22665117 has 16 divisors (see below), whose sum is σ = 30989952. Its totient is φ = 14730240.

The previous prime is 22665109. The next prime is 22665121. The reversal of 22665117 is 71156622.

It is not a de Polignac number, because 22665117 - 2³ = 22665109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22665197) 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, 20113 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (1936872).

Almost surely, 2^22665117 is an apocalyptic number.

It is an amenable number.

22665117 is a deficient number, since it is larger than the sum of its proper divisors (8324835).

22665117 is a wasteful number, since it uses less digits than its factorization.

22665117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268.

The product of its digits is 5040, while the sum is 30.

The square root of 22665117 is about 4760.7895353607. The cubic root of 22665117 is about 282.9997086572. Note that the first 3 decimals are identical.

The spelling of 22665117 in words is "twenty-two million, six hundred sixty-five thousand, one hundred seventeen".