2222197 has 4 divisors (see below), whose sum is σ = 2273920. Its totient is φ = 2170476.

The previous prime is 2222177. The next prime is 2222203. The reversal of 2222197 is 7912222.

2222197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222197 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 (2222147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25797 + ... + 25882.

It is an arithmetic number, because the mean of its divisors is an integer number (568480).

2^2222197 is an apocalyptic number.

It is an amenable number.

2222197 is a deficient number, since it is larger than the sum of its proper divisors (51723).

2222197 is an equidigital number, since it uses as much as digits as its factorization.

2222197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51722.

The product of its digits is 1008, while the sum is 25.

The square root of 2222197 is about 1490.7035251853. The cubic root of 2222197 is about 130.4950943288.

Adding to 2222197 its sum of digits (25), we get a palindrome (2222222).

It can be divided in two parts, 2222 and 197, that multiplied together give a palindrome (437734).

The spelling of 2222197 in words is "two million, two hundred twenty-two thousand, one hundred ninety-seven".