22766255 has 4 divisors (see below), whose sum is σ = 27319512. Its totient is φ = 18213000.

The previous prime is 22766239. The next prime is 22766257. The reversal of 22766255 is 55266722.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22766255 - 2⁴ = 22766239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22766257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276621 + ... + 2276630.

It is an arithmetic number, because the mean of its divisors is an integer number (6829878).

Almost surely, 2^22766255 is an apocalyptic number.

22766255 is a deficient number, since it is larger than the sum of its proper divisors (4553257).

22766255 is an equidigital number, since it uses as much as digits as its factorization.

22766255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553256.

The product of its digits is 50400, while the sum is 35.

The square root of 22766255 is about 4771.3996898185. The cubic root of 22766255 is about 283.4200249908.

The spelling of 22766255 in words is "twenty-two million, seven hundred sixty-six thousand, two hundred fifty-five".