2197247 has 4 divisors (see below), whose sum is σ = 2366280. Its totient is φ = 2028216.

The previous prime is 2197241. The next prime is 2197253. The reversal of 2197247 is 7427912.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2197241) and next prime (2197253).

It is a cyclic number.

It is not a de Polignac number, because 2197247 - 2⁶ = 2197183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84497 + ... + 84522.

It is an arithmetic number, because the mean of its divisors is an integer number (591570).

2^2197247 is an apocalyptic number.

2197247 is a deficient number, since it is larger than the sum of its proper divisors (169033).

2197247 is a wasteful number, since it uses less digits than its factorization.

2197247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169032.

The product of its digits is 7056, while the sum is 32.

The square root of 2197247 is about 1482.3113707990. The cubic root of 2197247 is about 130.0048716123.

The spelling of 2197247 in words is "two million, one hundred ninety-seven thousand, two hundred forty-seven".