22366739 has 2 divisors, whose sum is σ = 22366740. Its totient is φ = 22366738.

The previous prime is 22366711. The next prime is 22366763. The reversal of 22366739 is 93766322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22366739 - 2¹² = 22362643 is a prime.

It is not a weakly prime, because it can be changed into another prime (22366769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11183369 + 11183370.

It is an arithmetic number, because the mean of its divisors is an integer number (11183370).

Almost surely, 2^22366739 is an apocalyptic number.

22366739 is a deficient number, since it is larger than the sum of its proper divisors (1).

22366739 is an equidigital number, since it uses as much as digits as its factorization.

22366739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 38.

The square root of 22366739 is about 4729.3486866587. The cubic root of 22366739 is about 281.7523562370.

The spelling of 22366739 in words is "twenty-two million, three hundred sixty-six thousand, seven hundred thirty-nine".