30202226137 has 2 divisors, whose sum is σ = 30202226138. Its totient is φ = 30202226136.

The previous prime is 30202226111. The next prime is 30202226143. The reversal of 30202226137 is 73162220203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18610689241 + 11591536896 = 136421^2 + 107664^2 .

It is an emirp because it is prime and its reverse (73162220203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30202226137 is a prime.

It is not a weakly prime, because it can be changed into another prime (30202226167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101113068 + 15101113069.

It is an arithmetic number, because the mean of its divisors is an integer number (15101113069).

Almost surely, 2^30202226137 is an apocalyptic number.

It is an amenable number.

30202226137 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202226137 is an equidigital number, since it uses as much as digits as its factorization.

30202226137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 30202226137 in words is "thirty billion, two hundred two million, two hundred twenty-six thousand, one hundred thirty-seven".