2198132 has 6 divisors (see below), whose sum is σ = 3846738. Its totient is φ = 1099064.

The previous prime is 2198093. The next prime is 2198137. The reversal of 2198132 is 2318912.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 364816 = 1354^2 + 604^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274763 + ... + 274770.

It is an arithmetic number, because the mean of its divisors is an integer number (641123).

2^2198132 is an apocalyptic number.

It is an amenable number.

2198132 is a deficient number, since it is larger than the sum of its proper divisors (1648606).

2198132 is a wasteful number, since it uses less digits than its factorization.

2198132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549537 (or 549535 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 2198132 is about 1482.6098610221. The cubic root of 2198132 is about 130.0223235826.

The spelling of 2198132 in words is "two million, one hundred ninety-eight thousand, one hundred thirty-two".