22533253 has 2 divisors, whose sum is σ = 22533254. Its totient is φ = 22533252.

The previous prime is 22533223. The next prime is 22533271. The reversal of 22533253 is 35233522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13089924 + 9443329 = 3618^2 + 3073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22533253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22533223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11266626 + 11266627.

It is an arithmetic number, because the mean of its divisors is an integer number (11266627).

Almost surely, 2^22533253 is an apocalyptic number.

It is an amenable number.

22533253 is a deficient number, since it is larger than the sum of its proper divisors (1).

22533253 is an equidigital number, since it uses as much as digits as its factorization.

22533253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 25.

The square root of 22533253 is about 4746.9203700926. The cubic root of 22533253 is about 282.4498169664.

Adding to 22533253 its reverse (35233522), we get a palindrome (57766775).

The spelling of 22533253 in words is "twenty-two million, five hundred thirty-three thousand, two hundred fifty-three".