2288887 has 2 divisors, whose sum is σ = 2288888. Its totient is φ = 2288886.

The previous prime is 2288879. The next prime is 2288893. The reversal of 2288887 is 7888822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2288887 - 2³ = 2288879 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2288807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144443 + 1144444.

It is an arithmetic number, because the mean of its divisors is an integer number (1144444).

2^2288887 is an apocalyptic number.

2288887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288887 is an equidigital number, since it uses as much as digits as its factorization.

2288887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 114688, while the sum is 43.

The square root of 2288887 is about 1512.9068047966. The cubic root of 2288887 is about 131.7876713446.

The spelling of 2288887 in words is "two million, two hundred eighty-eight thousand, eight hundred eighty-seven".