2288257 has 2 divisors, whose sum is σ = 2288258. Its totient is φ = 2288256.

The previous prime is 2288249. The next prime is 2288261. The reversal of 2288257 is 7528822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 690561 = 1264^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 2288257 - 2³ = 2288249 is a prime.

It is a super-2 number, since 2×2288257² = 10472240196098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2288207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144128 + 1144129.

It is an arithmetic number, because the mean of its divisors is an integer number (1144129).

2^2288257 is an apocalyptic number.

It is an amenable number.

2288257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288257 is an equidigital number, since it uses as much as digits as its factorization.

2288257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 34.

The square root of 2288257 is about 1512.6985820050. The cubic root of 2288257 is about 131.7755790261.

The spelling of 2288257 in words is "two million, two hundred eighty-eight thousand, two hundred fifty-seven".