22955533 has 2 divisors, whose sum is σ = 22955534. Its totient is φ = 22955532.

The previous prime is 22955521. The next prime is 22955549. The reversal of 22955533 is 33555922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22638564 + 316969 = 4758^2 + 563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22955533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22955573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11477766 + 11477767.

It is an arithmetic number, because the mean of its divisors is an integer number (11477767).

Almost surely, 2^22955533 is an apocalyptic number.

It is an amenable number.

22955533 is a deficient number, since it is larger than the sum of its proper divisors (1).

22955533 is an equidigital number, since it uses as much as digits as its factorization.

22955533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 34.

The square root of 22955533 is about 4791.1932751664. The cubic root of 22955533 is about 284.2033069467.

The spelling of 22955533 in words is "twenty-two million, nine hundred fifty-five thousand, five hundred thirty-three".