22369999 has 2 divisors, whose sum is σ = 22370000. Its totient is φ = 22369998.

The previous prime is 22369993. The next prime is 22370017. The reversal of 22369999 is 99996322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22369999 - 2⁵ = 22369967 is a prime.

It is a Chen prime.

22369999 is a modest number, since divided by 9999 gives 2236 as remainder.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22369993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11184999 + 11185000.

It is an arithmetic number, because the mean of its divisors is an integer number (11185000).

Almost surely, 2^22369999 is an apocalyptic number.

22369999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22369999 is an equidigital number, since it uses as much as digits as its factorization.

22369999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 49.

The square root of 22369999 is about 4729.6933304391. The cubic root of 22369999 is about 281.7660442413.

The spelling of 22369999 in words is "twenty-two million, three hundred sixty-nine thousand, nine hundred ninety-nine".