22459013 has 2 divisors, whose sum is σ = 22459014. Its totient is φ = 22459012.

The previous prime is 22459009. The next prime is 22459027. The reversal of 22459013 is 31095422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15499969 + 6959044 = 3937^2 + 2638^2 .

It is a cyclic number.

It is not a de Polignac number, because 22459013 - 2² = 22459009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22459043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11229506 + 11229507.

It is an arithmetic number, because the mean of its divisors is an integer number (11229507).

Almost surely, 2^22459013 is an apocalyptic number.

It is an amenable number.

22459013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22459013 is an equidigital number, since it uses as much as digits as its factorization.

22459013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22459013 is about 4739.0941117475. The cubic root of 22459013 is about 282.1392811627.

The spelling of 22459013 in words is "twenty-two million, four hundred fifty-nine thousand, thirteen".