22665755 has 8 divisors (see below), whose sum is σ = 31084512. Its totient is φ = 15542208.

The previous prime is 22665749. The next prime is 22665763. The reversal of 22665755 is 55756622.

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 22665755 - 2⁴ = 22665739 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, 323762 + ... + 323831.

It is an arithmetic number, because the mean of its divisors is an integer number (3885564).

Almost surely, 2^22665755 is an apocalyptic number.

22665755 is a deficient number, since it is larger than the sum of its proper divisors (8418757).

22665755 is an equidigital number, since it uses as much as digits as its factorization.

22665755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647605.

The product of its digits is 126000, while the sum is 38.

The square root of 22665755 is about 4760.8565405817. The cubic root of 22665755 is about 283.0023640169.

The spelling of 22665755 in words is "twenty-two million, six hundred sixty-five thousand, seven hundred fifty-five".