22775023 has 4 divisors (see below), whose sum is σ = 22800168. Its totient is φ = 22749880.

The previous prime is 22775009. The next prime is 22775041. The reversal of 22775023 is 32057722.

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

It is a cyclic number.

It is not a de Polignac number, because 22775023 - 2⁹ = 22774511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22774982 and 22775000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22775323) 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, 11161 + ... + 13042.

It is an arithmetic number, because the mean of its divisors is an integer number (5700042).

Almost surely, 2^22775023 is an apocalyptic number.

22775023 is a deficient number, since it is larger than the sum of its proper divisors (25145).

22775023 is an equidigital number, since it uses as much as digits as its factorization.

22775023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25144.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 22775023 is about 4772.3184093269. The cubic root of 22775023 is about 283.4564049726.

The spelling of 22775023 in words is "twenty-two million, seven hundred seventy-five thousand, twenty-three".