22231459 has 2 divisors, whose sum is σ = 22231460. Its totient is φ = 22231458.

The previous prime is 22231441. The next prime is 22231481. The reversal of 22231459 is 95413222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22231459 - 2⁷ = 22231331 is a prime.

It is not a weakly prime, because it can be changed into another prime (22231439) 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, 11115729 + 11115730.

It is an arithmetic number, because the mean of its divisors is an integer number (11115730).

Almost surely, 2^22231459 is an apocalyptic number.

22231459 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231459 is an equidigital number, since it uses as much as digits as its factorization.

22231459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 22231459 is about 4715.0248143568. The cubic root of 22231459 is about 281.1831693720.

The spelling of 22231459 in words is "twenty-two million, two hundred thirty-one thousand, four hundred fifty-nine".