2246689157 has 2 divisors, whose sum is σ = 2246689158. Its totient is φ = 2246689156.

The previous prime is 2246689153. The next prime is 2246689183. The reversal of 2246689157 is 7519866422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2210316196 + 36372961 = 47014^2 + 6031^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246689157 - 2² = 2246689153 is a prime.

It is a super-2 number, since 2×2246689157² = 10095224336362741298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2246689153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123344578 + 1123344579.

It is an arithmetic number, because the mean of its divisors is an integer number (1123344579).

Almost surely, 2^2246689157 is an apocalyptic number.

It is an amenable number.

2246689157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246689157 is an equidigital number, since it uses as much as digits as its factorization.

2246689157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 2246689157 is about 47399.2527050796. The cubic root of 2246689157 is about 1309.7276509754.

The spelling of 2246689157 in words is "two billion, two hundred forty-six million, six hundred eighty-nine thousand, one hundred fifty-seven".