2118288 has 20 divisors (see below), whose sum is σ = 5472368. Its totient is φ = 706080.

The previous prime is 2118283. The next prime is 2118299. The reversal of 2118288 is 8828112.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2118283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22018 + ... + 22113.

2^2118288 is an apocalyptic number.

It is an amenable number.

2118288 is an abundant number, since it is smaller than the sum of its proper divisors (3354080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118288 is a wasteful number, since it uses less digits than its factorization.

2118288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44142 (or 44136 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 2118288 is about 1455.4339559046. The cubic root of 2118288 is about 128.4285764368.

The spelling of 2118288 in words is "two million, one hundred eighteen thousand, two hundred eighty-eight".