22510013 has 4 divisors (see below), whose sum is σ = 22608540. Its totient is φ = 22411488.

The previous prime is 22509983. The next prime is 22510043. The reversal of 22510013 is 31001522.

It is a happy number.

22510013 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22509983) and next prime (22510043).

It can be written as a sum of positive squares in 2 ways, for example, as 12096484 + 10413529 = 3478^2 + 3227^2 .

It is a cyclic number.

It is not a de Polignac number, because 22510013 - 2¹⁴ = 22493629 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 22510013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22510043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48920 + ... + 49377.

It is an arithmetic number, because the mean of its divisors is an integer number (5652135).

Almost surely, 2^22510013 is an apocalyptic number.

It is an amenable number.

22510013 is a deficient number, since it is larger than the sum of its proper divisors (98527).

22510013 is an equidigital number, since it uses as much as digits as its factorization.

22510013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98526.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 22510013 is about 4744.4718357263. The cubic root of 22510013 is about 282.3526806481.

Adding to 22510013 its reverse (31001522), we get a palindrome (53511535).

The spelling of 22510013 in words is "twenty-two million, five hundred ten thousand, thirteen".