22754779 has 2 divisors, whose sum is σ = 22754780. Its totient is φ = 22754778.

The previous prime is 22754759. The next prime is 22754807. The reversal of 22754779 is 97745722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22754779 - 2⁵ = 22754747 is a prime.

It is not a weakly prime, because it can be changed into another prime (22754749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11377389 + 11377390.

It is an arithmetic number, because the mean of its divisors is an integer number (11377390).

Almost surely, 2^22754779 is an apocalyptic number.

22754779 is a deficient number, since it is larger than the sum of its proper divisors (1).

22754779 is an equidigital number, since it uses as much as digits as its factorization.

22754779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 43.

The square root of 22754779 is about 4770.1969561015. The cubic root of 22754779 is about 283.3723949221.

The spelling of 22754779 in words is "twenty-two million, seven hundred fifty-four thousand, seven hundred seventy-nine".