22791133 has 2 divisors, whose sum is σ = 22791134. Its totient is φ = 22791132.

The previous prime is 22791103. The next prime is 22791151. The reversal of 22791133 is 33119722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22781529 + 9604 = 4773^2 + 98^2 .

It is a cyclic number.

It is not a de Polignac number, because 22791133 - 2¹⁷ = 22660061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22791103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11395566 + 11395567.

It is an arithmetic number, because the mean of its divisors is an integer number (11395567).

Almost surely, 2^22791133 is an apocalyptic number.

It is an amenable number.

22791133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22791133 is an equidigital number, since it uses as much as digits as its factorization.

22791133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 22791133 is about 4774.0059698329. The cubic root of 22791133 is about 283.5232238792.

The spelling of 22791133 in words is "twenty-two million, seven hundred ninety-one thousand, one hundred thirty-three".