2102188 has 12 divisors (see below), whose sum is σ = 4013352. Its totient is φ = 955520.

The previous prime is 2102183. The next prime is 2102201. The reversal of 2102188 is 8812012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2102183) 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, 23845 + ... + 23932.

It is an arithmetic number, because the mean of its divisors is an integer number (334446).

2^2102188 is an apocalyptic number.

It is an amenable number.

2102188 is a deficient number, since it is larger than the sum of its proper divisors (1911164).

2102188 is a wasteful number, since it uses less digits than its factorization.

2102188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47792 (or 47790 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 2102188 is about 1449.8924098015. The cubic root of 2102188 is about 128.1023757792.

The spelling of 2102188 in words is "two million, one hundred two thousand, one hundred eighty-eight".