22428359 has 2 divisors, whose sum is σ = 22428360. Its totient is φ = 22428358.

The previous prime is 22428349. The next prime is 22428383. The reversal of 22428359 is 95382422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22428359 is a prime.

It is a Sophie Germain 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 (22428349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11214179 + 11214180.

It is an arithmetic number, because the mean of its divisors is an integer number (11214180).

Almost surely, 2^22428359 is an apocalyptic number.

22428359 is a deficient number, since it is larger than the sum of its proper divisors (1).

22428359 is an equidigital number, since it uses as much as digits as its factorization.

22428359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 22428359 is about 4735.8588450248. The cubic root of 22428359 is about 282.0108600348.

It can be divided in two parts, 2242 and 8359, that added together give a palindrome (10601).

The spelling of 22428359 in words is "twenty-two million, four hundred twenty-eight thousand, three hundred fifty-nine".