22399607 has 2 divisors, whose sum is σ = 22399608. Its totient is φ = 22399606.

The previous prime is 22399583. The next prime is 22399667. The reversal of 22399607 is 70699322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22399607 - 2²⁴ = 5622391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22399667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11199803 + 11199804.

It is an arithmetic number, because the mean of its divisors is an integer number (11199804).

Almost surely, 2^22399607 is an apocalyptic number.

22399607 is a deficient number, since it is larger than the sum of its proper divisors (1).

22399607 is an equidigital number, since it uses as much as digits as its factorization.

22399607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 22399607 is about 4732.8223080948. The cubic root of 22399607 is about 281.8903007084.

The spelling of 22399607 in words is "twenty-two million, three hundred ninety-nine thousand, six hundred seven".