2188137 has 16 divisors (see below), whose sum is σ = 3450240. Its totient is φ = 1206912.

The previous prime is 2188127. The next prime is 2188157. The reversal of 2188137 is 7318812.

It is a happy number.

It is not a de Polignac number, because 2188137 - 2¹⁰ = 2187113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2188117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188 + ... + 2405.

It is an arithmetic number, because the mean of its divisors is an integer number (215640).

2^2188137 is an apocalyptic number.

It is an amenable number.

2188137 is a deficient number, since it is larger than the sum of its proper divisors (1262103).

2188137 is a wasteful number, since it uses less digits than its factorization.

2188137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632.

The product of its digits is 2688, while the sum is 30.

The square root of 2188137 is about 1479.2352754042. The cubic root of 2188137 is about 129.8249517757.

The spelling of 2188137 in words is "two million, one hundred eighty-eight thousand, one hundred thirty-seven".