22382993 has 2 divisors, whose sum is σ = 22382994. Its totient is φ = 22382992.

The previous prime is 22382989. The next prime is 22383029. The reversal of 22382993 is 39928322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 8596624 = 3713^2 + 2932^2 .

It is a cyclic number.

It is not a de Polignac number, because 22382993 - 2² = 22382989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22382953) 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, 11191496 + 11191497.

It is an arithmetic number, because the mean of its divisors is an integer number (11191497).

Almost surely, 2^22382993 is an apocalyptic number.

It is an amenable number.

22382993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22382993 is an equidigital number, since it uses as much as digits as its factorization.

22382993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 22382993 is about 4731.0667930183. The cubic root of 22382993 is about 281.8205899047.

The spelling of 22382993 in words is "twenty-two million, three hundred eighty-two thousand, nine hundred ninety-three".