22665137 has 8 divisors (see below), whose sum is σ = 24775392. Its totient is φ = 20563200.

The previous prime is 22665121. The next prime is 22665151. The reversal of 22665137 is 73156622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22665137 - 2⁴ = 22665121 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 4562 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (3096924).

Almost surely, 2^22665137 is an apocalyptic number.

It is an amenable number.

22665137 is a deficient number, since it is larger than the sum of its proper divisors (2110255).

22665137 is a wasteful number, since it uses less digits than its factorization.

22665137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159.

The product of its digits is 15120, while the sum is 32.

The square root of 22665137 is about 4760.7916358522. The cubic root of 22665137 is about 282.9997918980. Note that the first 3 decimals are identical.

The spelling of 22665137 in words is "twenty-two million, six hundred sixty-five thousand, one hundred thirty-seven".