22365223 has 16 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 19910880.

The previous prime is 22365199. The next prime is 22365227. The reversal of 22365223 is 32256322.

It is a cyclic number.

It is not a de Polignac number, because 22365223 - 2⁹ = 22364711 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 (22365227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26238 + ... + 27076.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^22365223 is an apocalyptic number.

22365223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22365223 is a deficient number, since it is larger than the sum of its proper divisors (2633177).

22365223 is a wasteful number, since it uses less digits than its factorization.

22365223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its digits is 4320, while the sum is 25.

The square root of 22365223 is about 4729.1884081732. The cubic root of 22365223 is about 281.7459904421.

The spelling of 22365223 in words is "twenty-two million, three hundred sixty-five thousand, two hundred twenty-three".