22285799 has 2 divisors, whose sum is σ = 22285800. Its totient is φ = 22285798.

The previous prime is 22285789. The next prime is 22285817. The reversal of 22285799 is 99758222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22285799 - 2²⁴ = 5508583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22285709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11142899 + 11142900.

It is an arithmetic number, because the mean of its divisors is an integer number (11142900).

Almost surely, 2^22285799 is an apocalyptic number.

22285799 is a deficient number, since it is larger than the sum of its proper divisors (1).

22285799 is an equidigital number, since it uses as much as digits as its factorization.

22285799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 22285799 is about 4720.7837273063. The cubic root of 22285799 is about 281.4120801415.

The spelling of 22285799 in words is "twenty-two million, two hundred eighty-five thousand, seven hundred ninety-nine".