22498013 has 2 divisors, whose sum is σ = 22498014. Its totient is φ = 22498012.

The previous prime is 22498009. The next prime is 22498019. The reversal of 22498013 is 31089422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22486564 + 11449 = 4742^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 22498013 - 2² = 22498009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22498019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11249006 + 11249007.

It is an arithmetic number, because the mean of its divisors is an integer number (11249007).

Almost surely, 2^22498013 is an apocalyptic number.

It is an amenable number.

22498013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22498013 is an equidigital number, since it uses as much as digits as its factorization.

22498013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22498013 is about 4743.2070374379. The cubic root of 22498013 is about 282.3024980259.

The spelling of 22498013 in words is "twenty-two million, four hundred ninety-eight thousand, thirteen".