2194137 has 24 divisors (see below), whose sum is σ = 3556800. Its totient is φ = 1291680.

The previous prime is 2194133. The next prime is 2194187. The reversal of 2194137 is 7314912.

It is not a de Polignac number, because 2194137 - 2² = 2194133 is a prime.

2194137 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2194137.

It is not an unprimeable number, because it can be changed into a prime (2194133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3364 + ... + 3962.

It is an arithmetic number, because the mean of its divisors is an integer number (148200).

2^2194137 is an apocalyptic number.

It is an amenable number.

2194137 is a deficient number, since it is larger than the sum of its proper divisors (1362663).

2194137 is a wasteful number, since it uses less digits than its factorization.

2194137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 650 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2194137 is about 1481.2619619770. The cubic root of 2194137 is about 129.9435060250.

It can be divided in two parts, 219 and 4137, that added together give a square (4356 = 66²).

The spelling of 2194137 in words is "two million, one hundred ninety-four thousand, one hundred thirty-seven".