2197257 has 8 divisors (see below), whose sum is σ = 2997984. Its totient is φ = 1430688.

The previous prime is 2197253. The next prime is 2197277. The reversal of 2197257 is 7527912.

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

It is not a de Polignac number, because 2197257 - 2² = 2197253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2197253) 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, 8388 + ... + 8645.

It is an arithmetic number, because the mean of its divisors is an integer number (374748).

2^2197257 is an apocalyptic number.

It is an amenable number.

2197257 is a deficient number, since it is larger than the sum of its proper divisors (800727).

2197257 is a wasteful number, since it uses less digits than its factorization.

2197257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17079.

The product of its digits is 8820, while the sum is 33.

The square root of 2197257 is about 1482.3147439056. The cubic root of 2197257 is about 130.0050688359.

The spelling of 2197257 in words is "two million, one hundred ninety-seven thousand, two hundred fifty-seven".