2288719 has 2 divisors, whose sum is σ = 2288720. Its totient is φ = 2288718.

The previous prime is 2288711. The next prime is 2288723. The reversal of 2288719 is 9178822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2288719 - 2³ = 2288711 is a prime.

It is a super-2 number, since 2×2288719² = 10476469321922, which contains 22 as substring.

2288719 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2288711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144359 + 1144360.

It is an arithmetic number, because the mean of its divisors is an integer number (1144360).

2^2288719 is an apocalyptic number.

2288719 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288719 is an equidigital number, since it uses as much as digits as its factorization.

2288719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 2288719 is about 1512.8512815211. The cubic root of 2288719 is about 131.7844469433.

The spelling of 2288719 in words is "two million, two hundred eighty-eight thousand, seven hundred nineteen".