2287699 has 2 divisors, whose sum is σ = 2287700. Its totient is φ = 2287698.

The previous prime is 2287687. The next prime is 2287739. The reversal of 2287699 is 9967822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2287699 - 2⁵ = 2287667 is a prime.

It is an Ulam number.

2287699 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2287669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143849 + 1143850.

It is an arithmetic number, because the mean of its divisors is an integer number (1143850).

2^2287699 is an apocalyptic number.

2287699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287699 is an equidigital number, since it uses as much as digits as its factorization.

2287699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 2287699 is about 1512.5141321654. The cubic root of 2287699 is about 131.7648668333.

The spelling of 2287699 in words is "two million, two hundred eighty-seven thousand, six hundred ninety-nine".