2722243 has 8 divisors (see below), whose sum is σ = 2797200. Its totient is φ = 2648448.

The previous prime is 2722241. The next prime is 2722249. The reversal of 2722243 is 3422272.

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

It is a cyclic number.

It is not a de Polignac number, because 2722243 - 2¹ = 2722241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722241) 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, 6288 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (349650).

2^2722243 is an apocalyptic number.

2722243 is a deficient number, since it is larger than the sum of its proper divisors (74957).

2722243 is an equidigital number, since it uses as much as digits as its factorization.

2722243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 1344, while the sum is 22.

The square root of 2722243 is about 1649.9221193741. The cubic root of 2722243 is about 139.6290007154.

The spelling of 2722243 in words is "two million, seven hundred twenty-two thousand, two hundred forty-three".