22431359 has 2 divisors, whose sum is σ = 22431360. Its totient is φ = 22431358.

The previous prime is 22431329. The next prime is 22431377. The reversal of 22431359 is 95313422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22431359 - 2¹⁶ = 22365823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22431319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215679 + 11215680.

It is an arithmetic number, because the mean of its divisors is an integer number (11215680).

Almost surely, 2^22431359 is an apocalyptic number.

22431359 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431359 is an equidigital number, since it uses as much as digits as its factorization.

22431359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 22431359 is about 4736.1755668472. The cubic root of 22431359 is about 282.0234333259.

The spelling of 22431359 in words is "twenty-two million, four hundred thirty-one thousand, three hundred fifty-nine".