22943223 has 16 divisors (see below), whose sum is σ = 34633440. Its totient is φ = 15005952.

The previous prime is 22943189. The next prime is 22943227. The reversal of 22943223 is 32234922.

22943223 is a `hidden beast` number, since 229 + 432 + 2 + 3 = 666.

It is not a de Polignac number, because 22943223 - 2⁶ = 22943159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22943227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6586 + ... + 9447.

It is an arithmetic number, because the mean of its divisors is an integer number (2164590).

Almost surely, 2^22943223 is an apocalyptic number.

22943223 is a deficient number, since it is larger than the sum of its proper divisors (11690217).

22943223 is a wasteful number, since it uses less digits than its factorization.

22943223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16095 (or 16089 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 22943223 is about 4789.9084542400. The cubic root of 22943223 is about 284.1524961281.

The spelling of 22943223 in words is "twenty-two million, nine hundred forty-three thousand, two hundred twenty-three".