2290719157 has 2 divisors, whose sum is σ = 2290719158. Its totient is φ = 2290719156.

The previous prime is 2290719149. The next prime is 2290719169. The reversal of 2290719157 is 7519170922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2115448036 + 175271121 = 45994^2 + 13239^2 .

It is a cyclic number.

It is not a de Polignac number, because 2290719157 - 2³ = 2290719149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2290719107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145359578 + 1145359579.

It is an arithmetic number, because the mean of its divisors is an integer number (1145359579).

Almost surely, 2^2290719157 is an apocalyptic number.

It is an amenable number.

2290719157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290719157 is an equidigital number, since it uses as much as digits as its factorization.

2290719157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 2290719157 is about 47861.4579489593. The cubic root of 2290719157 is about 1318.2282544758.

The spelling of 2290719157 in words is "two billion, two hundred ninety million, seven hundred nineteen thousand, one hundred fifty-seven".