3223557137 has 2 divisors, whose sum is σ = 3223557138. Its totient is φ = 3223557136.

The previous prime is 3223557133. The next prime is 3223557173. The reversal of 3223557137 is 7317553223.

Together with next prime (3223557173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3034247056 + 189310081 = 55084^2 + 13759^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223557137 - 2² = 3223557133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3223557137.

It is not a weakly prime, because it can be changed into another prime (3223557133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611778568 + 1611778569.

It is an arithmetic number, because the mean of its divisors is an integer number (1611778569).

Almost surely, 2^3223557137 is an apocalyptic number.

It is an amenable number.

3223557137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223557137 is an equidigital number, since it uses as much as digits as its factorization.

3223557137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 38.

The square root of 3223557137 is about 56776.3783364173. The cubic root of 3223557137 is about 1477.2198137013.

The spelling of 3223557137 in words is "three billion, two hundred twenty-three million, five hundred fifty-seven thousand, one hundred thirty-seven".