22938665 has 8 divisors (see below), whose sum is σ = 28046088. Its totient is φ = 18004480.

The previous prime is 22938653. The next prime is 22938691. The reversal of 22938665 is 56683922.

It can be written as a sum of positive squares in 4 ways, for example, as 2181529 + 20757136 = 1477^2 + 4556^2 .

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

It is not a de Polignac number, because 22938665 - 2¹⁴ = 22922281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43016 + ... + 43545.

It is an arithmetic number, because the mean of its divisors is an integer number (3505761).

Almost surely, 2^22938665 is an apocalyptic number.

It is an amenable number.

22938665 is a deficient number, since it is larger than the sum of its proper divisors (5107423).

22938665 is an equidigital number, since it uses as much as digits as its factorization.

22938665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86619.

The product of its digits is 155520, while the sum is 41.

The square root of 22938665 is about 4789.4326386327. The cubic root of 22938665 is about 284.1336778936.

The spelling of 22938665 in words is "twenty-two million, nine hundred thirty-eight thousand, six hundred sixty-five".