22106365513 has 2 divisors, whose sum is σ = 22106365514. Its totient is φ = 22106365512.

The previous prime is 22106365511. The next prime is 22106365553. The reversal of 22106365513 is 31556360122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12092961024 + 10013404489 = 109968^2 + 100067^2 .

It is a cyclic number.

It is not a de Polignac number, because 22106365513 - 2¹ = 22106365511 is a prime.

Together with 22106365511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22106365511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053182756 + 11053182757.

It is an arithmetic number, because the mean of its divisors is an integer number (11053182757).

Almost surely, 2^22106365513 is an apocalyptic number.

It is an amenable number.

22106365513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22106365513 is an equidigital number, since it uses as much as digits as its factorization.

22106365513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 22106365513 in words is "twenty-two billion, one hundred six million, three hundred sixty-five thousand, five hundred thirteen".