2239157 has 2 divisors, whose sum is σ = 2239158. Its totient is φ = 2239156.

The previous prime is 2239147. The next prime is 2239201. The reversal of 2239157 is 7519322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2193361 + 45796 = 1481^2 + 214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2239157 - 2⁴ = 2239141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2239147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119578 + 1119579.

It is an arithmetic number, because the mean of its divisors is an integer number (1119579).

2^2239157 is an apocalyptic number.

It is an amenable number.

2239157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239157 is an equidigital number, since it uses as much as digits as its factorization.

2239157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 2239157 is about 1496.3813016741. The cubic root of 2239157 is about 130.8262366046.

The spelling of 2239157 in words is "two million, two hundred thirty-nine thousand, one hundred fifty-seven".