2194437 has 16 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 1237872.

The previous prime is 2194429. The next prime is 2194441. The reversal of 2194437 is 7344912.

It is a happy number.

It is not a de Polignac number, because 2194437 - 2³ = 2194429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194417) 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, 1114 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

2^2194437 is an apocalyptic number.

It is an amenable number.

2194437 is a deficient number, since it is larger than the sum of its proper divisors (1192443).

2194437 is a wasteful number, since it uses less digits than its factorization.

2194437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

The product of its digits is 6048, while the sum is 30.

The square root of 2194437 is about 1481.3632235208. The cubic root of 2194437 is about 129.9494280611.

It can be divided in two parts, 219 and 4437, that added together give a triangular number (4656 = T₉₆).

The spelling of 2194437 in words is "two million, one hundred ninety-four thousand, four hundred thirty-seven".