2199140 has 24 divisors (see below), whose sum is σ = 4768512. Its totient is φ = 851040.

The previous prime is 2199133. The next prime is 2199143. The reversal of 2199140 is 419912.

It is not an unprimeable number, because it can be changed into a prime (2199143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (198688).

2^2199140 is an apocalyptic number.

2199140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2199140 is an abundant number, since it is smaller than the sum of its proper divisors (2569372).

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

2199140 is a wasteful number, since it uses less digits than its factorization.

2199140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587 (or 3585 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2199140 is about 1482.9497631410. The cubic root of 2199140 is about 130.0421953757.

The spelling of 2199140 in words is "two million, one hundred ninety-nine thousand, one hundred forty".