13222208137 has 2 divisors, whose sum is σ = 13222208138. Its totient is φ = 13222208136.

The previous prime is 13222208123. The next prime is 13222208141. The reversal of 13222208137 is 73180222231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9211392576 + 4010815561 = 95976^2 + 63331^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222208137 - 2³¹ = 11074724489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13222208099 and 13222208108.

It is not a weakly prime, because it can be changed into another prime (13222208437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611104068 + 6611104069.

It is an arithmetic number, because the mean of its divisors is an integer number (6611104069).

Almost surely, 2^13222208137 is an apocalyptic number.

It is an amenable number.

13222208137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222208137 is an equidigital number, since it uses as much as digits as its factorization.

13222208137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 13222208137 in words is "thirteen billion, two hundred twenty-two million, two hundred eight thousand, one hundred thirty-seven".