22426739 has 2 divisors, whose sum is σ = 22426740. Its totient is φ = 22426738.

The previous prime is 22426721. The next prime is 22426759. The reversal of 22426739 is 93762422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22426739 - 2¹⁶ = 22361203 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22426699 and 22426708.

It is not a weakly prime, because it can be changed into another prime (22426759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11213369 + 11213370.

It is an arithmetic number, because the mean of its divisors is an integer number (11213370).

Almost surely, 2^22426739 is an apocalyptic number.

22426739 is a deficient number, since it is larger than the sum of its proper divisors (1).

22426739 is an equidigital number, since it uses as much as digits as its factorization.

22426739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 22426739 is about 4735.6878064332. The cubic root of 22426739 is about 282.0040699914.

The spelling of 22426739 in words is "twenty-two million, four hundred twenty-six thousand, seven hundred thirty-nine".