2197331 has 8 divisors (see below), whose sum is σ = 2336400. Its totient is φ = 2060640.

The previous prime is 2197309. The next prime is 2197333. The reversal of 2197331 is 1337912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2197331 - 2¹⁰ = 2196307 is a prime.

It is a super-2 number, since 2×2197331² = 9656527047122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2197331.

It is not an unprimeable number, because it can be changed into a prime (2197333) 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, 1541 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (292050).

2^2197331 is an apocalyptic number.

2197331 is a deficient number, since it is larger than the sum of its proper divisors (139069).

2197331 is a wasteful number, since it uses less digits than its factorization.

2197331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189.

The product of its digits is 1134, while the sum is 26.

The square root of 2197331 is about 1482.3397046561. The cubic root of 2197331 is about 130.0065282718.

The spelling of 2197331 in words is "two million, one hundred ninety-seven thousand, three hundred thirty-one".