2197140 has 48 divisors (see below), whose sum is σ = 6713280. Its totient is φ = 532480.

The previous prime is 2197087. The next prime is 2197157. The reversal of 2197140 is 417912.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2197140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005 + ... + 2324.

It is an arithmetic number, because the mean of its divisors is an integer number (139860).

2^2197140 is an apocalyptic number.

2197140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197140 is an abundant number, since it is smaller than the sum of its proper divisors (4516140).

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

2197140 is a wasteful number, since it uses less digits than its factorization.

2197140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2197140 is about 1482.2752780776. The cubic root of 2197140 is about 130.0027612826.

The spelling of 2197140 in words is "two million, one hundred ninety-seven thousand, one hundred forty".