2197449 has 12 divisors (see below), whose sum is σ = 3292016. Its totient is φ = 1464804.

The previous prime is 2197427. The next prime is 2197453. The reversal of 2197449 is 9447912.

It is not a de Polignac number, because 2197449 - 2⁸ = 2197193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2197409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4279 + ... + 4764.

2^2197449 is an apocalyptic number.

It is an amenable number.

2197449 is a deficient number, since it is larger than the sum of its proper divisors (1094567).

2197449 is an frugal number, since it uses more digits than its factorization.

2197449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058 (or 9046 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2197449 is about 1482.3795060645. The cubic root of 2197449 is about 130.0088554125.

The spelling of 2197449 in words is "two million, one hundred ninety-seven thousand, four hundred forty-nine".