2197880 has 32 divisors (see below), whose sum is σ = 5162400. Its totient is φ = 840576.

The previous prime is 2197873. The next prime is 2197907. The reversal of 2197880 is 887912.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2197880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (161325).

2^2197880 is an apocalyptic number.

2197880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197880 is an abundant number, since it is smaller than the sum of its proper divisors (2964520).

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

2197880 is a wasteful number, since it uses less digits than its factorization.

2197880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2197880 is about 1482.5248733158. The cubic root of 2197880 is about 130.0173546851.

The spelling of 2197880 in words is "two million, one hundred ninety-seven thousand, eight hundred eighty".