22553933 has 2 divisors, whose sum is σ = 22553934. Its totient is φ = 22553932.

The previous prime is 22553897. The next prime is 22553941. The reversal of 22553933 is 33935522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11710084 + 10843849 = 3422^2 + 3293^2 .

It is a cyclic number.

It is not a de Polignac number, because 22553933 - 2¹⁰ = 22552909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22553933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22553963) 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 as a sum of consecutive naturals, namely, 11276966 + 11276967.

It is an arithmetic number, because the mean of its divisors is an integer number (11276967).

Almost surely, 2^22553933 is an apocalyptic number.

It is an amenable number.

22553933 is a deficient number, since it is larger than the sum of its proper divisors (1).

22553933 is an equidigital number, since it uses as much as digits as its factorization.

22553933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 32.

The square root of 22553933 is about 4749.0981249075. The cubic root of 22553933 is about 282.5361971004.

The spelling of 22553933 in words is "twenty-two million, five hundred fifty-three thousand, nine hundred thirty-three".