2722197 has 4 divisors (see below), whose sum is σ = 3629600. Its totient is φ = 1814796.

The previous prime is 2722189. The next prime is 2722207. The reversal of 2722197 is 7912272.

It is a happy number.

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 not a de Polignac number, because 2722197 - 2³ = 2722189 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453697 + ... + 453702.

It is an arithmetic number, because the mean of its divisors is an integer number (907400).

2^2722197 is an apocalyptic number.

It is an amenable number.

2722197 is a deficient number, since it is larger than the sum of its proper divisors (907403).

2722197 is an equidigital number, since it uses as much as digits as its factorization.

2722197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907402.

The product of its digits is 3528, while the sum is 30.

The square root of 2722197 is about 1649.9081792633. The cubic root of 2722197 is about 139.6282142353.

The spelling of 2722197 in words is "two million, seven hundred twenty-two thousand, one hundred ninety-seven".