2722329 has 24 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 1705536.

The previous prime is 2722309. The next prime is 2722337. The reversal of 2722329 is 9232272.

It is not a de Polignac number, because 2722329 - 2²⁰ = 1673753 is a prime.

It is a super-2 number, since 2×2722329² = 14822150368482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2722309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3802 + ... + 4460.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

2^2722329 is an apocalyptic number.

It is an amenable number.

2722329 is a deficient number, since it is larger than the sum of its proper divisors (1601991).

2722329 is an equidigital number, since it uses as much as digits as its factorization.

2722329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 679 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2722329 is about 1649.9481810045. The cubic root of 2722329 is about 139.6304710676.

It can be divided in two parts, 272 and 2329, that added together give a square (2601 = 51²).

The spelling of 2722329 in words is "two million, seven hundred twenty-two thousand, three hundred twenty-nine".