2287888 has 10 divisors (see below), whose sum is σ = 4432814. Its totient is φ = 1143936.

The previous prime is 2287871. The next prime is 2287891. The reversal of 2287888 is 8887822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2166784 + 121104 = 1472^2 + 348^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71481 + ... + 71512.

2^2287888 is an apocalyptic number.

It is an amenable number.

2287888 is a deficient number, since it is larger than the sum of its proper divisors (2144926).

2287888 is a wasteful number, since it uses less digits than its factorization.

2287888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143001 (or 142995 counting only the distinct ones).

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

The square root of 2287888 is about 1512.5766096301. The cubic root of 2287888 is about 131.7684953517.

The spelling of 2287888 in words is "two million, two hundred eighty-seven thousand, eight hundred eighty-eight".