22783459 has 2 divisors, whose sum is σ = 22783460. Its totient is φ = 22783458.

The previous prime is 22783447. The next prime is 22783463. The reversal of 22783459 is 95438722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22783459 - 2¹⁷ = 22652387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22783259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11391729 + 11391730.

It is an arithmetic number, because the mean of its divisors is an integer number (11391730).

Almost surely, 2^22783459 is an apocalyptic number.

22783459 is a deficient number, since it is larger than the sum of its proper divisors (1).

22783459 is an equidigital number, since it uses as much as digits as its factorization.

22783459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 22783459 is about 4773.2021746413. The cubic root of 22783459 is about 283.4913986153.

The spelling of 22783459 in words is "twenty-two million, seven hundred eighty-three thousand, four hundred fifty-nine".