22555133 has 2 divisors, whose sum is σ = 22555134. Its totient is φ = 22555132.

The previous prime is 22555129. The next prime is 22555153. The reversal of 22555133 is 33155522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15784729 + 6770404 = 3973^2 + 2602^2 .

It is a cyclic number.

It is not a de Polignac number, because 22555133 - 2² = 22555129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_1421936 and since 22555133 and 1421936 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22555103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277566 + 11277567.

It is an arithmetic number, because the mean of its divisors is an integer number (11277567).

Almost surely, 2^22555133 is an apocalyptic number.

It is an amenable number.

22555133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22555133 is an equidigital number, since it uses as much as digits as its factorization.

22555133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 26.

The square root of 22555133 is about 4749.2244630045. The cubic root of 22555133 is about 282.5412078661.

The spelling of 22555133 in words is "twenty-two million, five hundred fifty-five thousand, one hundred thirty-three".