22044791 has 2 divisors, whose sum is σ = 22044792. Its totient is φ = 22044790.

The previous prime is 22044779. The next prime is 22044797. The reversal of 22044791 is 19744022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22044791 - 2¹⁸ = 21782647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22044797) 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, 11022395 + 11022396.

It is an arithmetic number, because the mean of its divisors is an integer number (11022396).

Almost surely, 2^22044791 is an apocalyptic number.

22044791 is a deficient number, since it is larger than the sum of its proper divisors (1).

22044791 is an equidigital number, since it uses as much as digits as its factorization.

22044791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 22044791 is about 4695.1880686507. The cubic root of 22044791 is about 280.3939649821.

The spelling of 22044791 in words is "twenty-two million, forty-four thousand, seven hundred ninety-one".