2293157817 has 8 divisors (see below), whose sum is σ = 3397270880. Its totient is φ = 1528771860.

The previous prime is 2293157809. The next prime is 2293157819. The reversal of 2293157817 is 7187513922.

It is not a de Polignac number, because 2293157817 - 2³ = 2293157809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2293157819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42465859 + ... + 42465912.

It is an arithmetic number, because the mean of its divisors is an integer number (424658860).

Almost surely, 2^2293157817 is an apocalyptic number.

2293157817 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2293157817 is a deficient number, since it is larger than the sum of its proper divisors (1104113063).

2293157817 is an equidigital number, since it uses as much as digits as its factorization.

2293157817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84931780 (or 84931774 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 2293157817 is about 47886.9274123951. The cubic root of 2293157817 is about 1318.6958762420.

The spelling of 2293157817 in words is "two billion, two hundred ninety-three million, one hundred fifty-seven thousand, eight hundred seventeen".