22533223 has 2 divisors, whose sum is σ = 22533224. Its totient is φ = 22533222.

The previous prime is 22533193. The next prime is 22533253. The reversal of 22533223 is 32233522.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22533193) and next prime (22533253).

It is a cyclic number.

It is not a de Polignac number, because 22533223 - 2⁹ = 22532711 is a prime.

It is a super-2 number, since 2×22533223² = 1015492277535458, which contains 22 as substring.

It is equal to p_1420618 and since 22533223 and 1420618 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 22533194 and 22533203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22533253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11266611 + 11266612.

It is an arithmetic number, because the mean of its divisors is an integer number (11266612).

Almost surely, 2^22533223 is an apocalyptic number.

22533223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22533223 is an equidigital number, since it uses as much as digits as its factorization.

22533223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 22.

The square root of 22533223 is about 4746.9172101481. The cubic root of 22533223 is about 282.4496916184.

Adding to 22533223 its reverse (32233522), we get a palindrome (54766745).

It can be divided in two parts, 2253 and 3223, that added together give a square (5476 = 74²).

The spelling of 22533223 in words is "twenty-two million, five hundred thirty-three thousand, two hundred twenty-three".