2722223 has 8 divisors (see below), whose sum is σ = 3132192. Its totient is φ = 2317536.

The previous prime is 2722219. The next prime is 2722231. The reversal of 2722223 is 3222272.

2722223 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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 2722223 - 2² = 2722219 is a prime.

2722223 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2722195 and 2722204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722273) 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, 140 + ... + 2337.

It is an arithmetic number, because the mean of its divisors is an integer number (391524).

2^2722223 is an apocalyptic number.

2722223 is a deficient number, since it is larger than the sum of its proper divisors (409969).

2722223 is a wasteful number, since it uses less digits than its factorization.

2722223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641.

The product of its digits is 672, while the sum is 20.

The square root of 2722223 is about 1649.9160584709. The cubic root of 2722223 is about 139.6286587686.

Adding to 2722223 its reverse (3222272), we get a palindrome (5944495).

The spelling of 2722223 in words is "two million, seven hundred twenty-two thousand, two hundred twenty-three".