2152188 has 36 divisors (see below), whose sum is σ = 5486208. Its totient is φ = 711360.

The previous prime is 2152169. The next prime is 2152201. The reversal of 2152188 is 8812512.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6720 + ... + 7032.

2^2152188 is an apocalyptic number.

It is an amenable number.

2152188 is an abundant number, since it is smaller than the sum of its proper divisors (3334020).

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

2152188 is a wasteful number, since it uses less digits than its factorization.

2152188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 509 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 2152188 is about 1467.0337419432. The cubic root of 2152188 is about 129.1100557102.

It can be divided in two parts, 21521 and 88, that added together give a square (21609 = 147²).

The spelling of 2152188 in words is "two million, one hundred fifty-two thousand, one hundred eighty-eight".