22012002613 has 2 divisors, whose sum is σ = 22012002614. Its totient is φ = 22012002612.

The previous prime is 22012002601. The next prime is 22012002641. The reversal of 22012002613 is 31620021022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20430985969 + 1581016644 = 142937^2 + 39762^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012002613 - 2⁵ = 22012002581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012002653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006001306 + 11006001307.

It is an arithmetic number, because the mean of its divisors is an integer number (11006001307).

Almost surely, 2^22012002613 is an apocalyptic number.

It is an amenable number.

22012002613 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012002613 is an equidigital number, since it uses as much as digits as its factorization.

22012002613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22012002613 its reverse (31620021022), we get a palindrome (53632023635).

The spelling of 22012002613 in words is "twenty-two billion, twelve million, two thousand, six hundred thirteen".