22598369 has 2 divisors, whose sum is σ = 22598370. Its totient is φ = 22598368.

The previous prime is 22598333. The next prime is 22598413. The reversal of 22598369 is 96389522.

It is an a-pointer prime, because the next prime (22598413) can be obtained adding 22598369 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 508369 = 4700^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 22598369 - 2⁸ = 22598113 is a prime.

It is a super-2 number, since 2×22598369² = 1021372562920322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22598309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11299184 + 11299185.

It is an arithmetic number, because the mean of its divisors is an integer number (11299185).

Almost surely, 2^22598369 is an apocalyptic number.

It is an amenable number.

22598369 is a deficient number, since it is larger than the sum of its proper divisors (1).

22598369 is an equidigital number, since it uses as much as digits as its factorization.

22598369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 22598369 is about 4753.7741847925. The cubic root of 22598369 is about 282.7216273205.

The spelling of 22598369 in words is "twenty-two million, five hundred ninety-eight thousand, three hundred sixty-nine".