22459457 has 2 divisors, whose sum is σ = 22459458. Its totient is φ = 22459456.

The previous prime is 22459447. The next prime is 22459483. The reversal of 22459457 is 75495422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14753281 + 7706176 = 3841^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 22459457 - 2¹⁸ = 22197313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22459457.

It is not a weakly prime, because it can be changed into another prime (22459447) 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, 11229728 + 11229729.

It is an arithmetic number, because the mean of its divisors is an integer number (11229729).

Almost surely, 2^22459457 is an apocalyptic number.

It is an amenable number.

22459457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22459457 is an equidigital number, since it uses as much as digits as its factorization.

22459457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 22459457 is about 4739.1409559117. The cubic root of 22459457 is about 282.1411403868.

The spelling of 22459457 in words is "twenty-two million, four hundred fifty-nine thousand, four hundred fifty-seven".