2197320 has 32 divisors (see below), whose sum is σ = 6592320. Its totient is φ = 585920.

The previous prime is 2197309. The next prime is 2197333. The reversal of 2197320 is 237912.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 9036 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (206010).

2^2197320 is an apocalyptic number.

2197320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197320 is an abundant number, since it is smaller than the sum of its proper divisors (4395000).

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

2197320 is a wasteful number, since it uses less digits than its factorization.

2197320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18325 (or 18321 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2197320 is about 1482.3359943009. The cubic root of 2197320 is about 130.0063113307.

The spelling of 2197320 in words is "two million, one hundred ninety-seven thousand, three hundred twenty".