3102222157 has 2 divisors, whose sum is σ = 3102222158. Its totient is φ = 3102222156.

The previous prime is 3102222103. The next prime is 3102222163. The reversal of 3102222157 is 7512222013.

3102222157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2308898601 + 793323556 = 48051^2 + 28166^2 .

It is an emirp because it is prime and its reverse (7512222013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3102222157 - 2⁷ = 3102222029 is a prime.

It is a super-2 number, since 2×3102222157² = 19247564622763465298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3102222197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551111078 + 1551111079.

It is an arithmetic number, because the mean of its divisors is an integer number (1551111079).

Almost surely, 2^3102222157 is an apocalyptic number.

It is an amenable number.

3102222157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3102222157 is an equidigital number, since it uses as much as digits as its factorization.

3102222157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3102222157 is about 55697.5956123781. The cubic root of 3102222157 is about 1458.4480533151.

The spelling of 3102222157 in words is "three billion, one hundred two million, two hundred twenty-two thousand, one hundred fifty-seven".