22523933 has 2 divisors, whose sum is σ = 22523934. Its totient is φ = 22523932.

The previous prime is 22523881. The next prime is 22523939. The reversal of 22523933 is 33932522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21780889 + 743044 = 4667^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 22523933 - 2²⁰ = 21475357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22523896 and 22523905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22523939) 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, 11261966 + 11261967.

It is an arithmetic number, because the mean of its divisors is an integer number (11261967).

Almost surely, 2^22523933 is an apocalyptic number.

It is an amenable number.

22523933 is a deficient number, since it is larger than the sum of its proper divisors (1).

22523933 is an equidigital number, since it uses as much as digits as its factorization.

22523933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 29.

The square root of 22523933 is about 4745.9385794593. The cubic root of 22523933 is about 282.4108701514.

The spelling of 22523933 in words is "twenty-two million, five hundred twenty-three thousand, nine hundred thirty-three".