22535399 has 2 divisors, whose sum is σ = 22535400. Its totient is φ = 22535398.

The previous prime is 22535369. The next prime is 22535411. The reversal of 22535399 is 99353522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22535399 - 2⁸ = 22535143 is a prime.

It is a super-3 number, since 3×22535399³ (a number of 23 digits) contains 333 as substring.

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 (22535369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11267699 + 11267700.

It is an arithmetic number, because the mean of its divisors is an integer number (11267700).

Almost surely, 2^22535399 is an apocalyptic number.

22535399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22535399 is an equidigital number, since it uses as much as digits as its factorization.

22535399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 38.

The square root of 22535399 is about 4747.1464060001. The cubic root of 22535399 is about 282.4587832420.

The spelling of 22535399 in words is "twenty-two million, five hundred thirty-five thousand, three hundred ninety-nine".