22600013 has 4 divisors (see below), whose sum is σ = 22634268. Its totient is φ = 22565760.

The previous prime is 22600001. The next prime is 22600043. The reversal of 22600013 is 31000622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2502724 + 20097289 = 1582^2 + 4483^2 .

It is a cyclic number.

It is not a de Polignac number, because 22600013 - 2¹² = 22595917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22600043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16118 + ... + 17463.

It is an arithmetic number, because the mean of its divisors is an integer number (5658567).

Almost surely, 2^22600013 is an apocalyptic number.

It is an amenable number.

22600013 is a deficient number, since it is larger than the sum of its proper divisors (34255).

22600013 is an equidigital number, since it uses as much as digits as its factorization.

22600013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34254.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22600013 is about 4753.9470968870. The cubic root of 22600013 is about 282.7284830230.

Adding to 22600013 its reverse (31000622), we get a palindrome (53600635).

The spelling of 22600013 in words is "twenty-two million, six hundred thousand, thirteen".