2722569 has 8 divisors (see below), whose sum is σ = 3707520. Its totient is φ = 1776336.

The previous prime is 2722561. The next prime is 2722591. The reversal of 2722569 is 9652272.

It is a happy number.

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

It is not a de Polignac number, because 2722569 - 2³ = 2722561 is a prime.

It is a super-2 number, since 2×2722569² = 14824763919522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2722561) 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, 9514 + ... + 9795.

It is an arithmetic number, because the mean of its divisors is an integer number (463440).

2^2722569 is an apocalyptic number.

It is an amenable number.

2722569 is a deficient number, since it is larger than the sum of its proper divisors (984951).

2722569 is a wasteful number, since it uses less digits than its factorization.

2722569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19359.

The product of its digits is 15120, while the sum is 33.

The square root of 2722569 is about 1650.0209089584. The cubic root of 2722569 is about 139.6345742122.

The spelling of 2722569 in words is "two million, seven hundred twenty-two thousand, five hundred sixty-nine".