2722626 has 32 divisors (see below), whose sum is σ = 6113280. Its totient is φ = 898128.

The previous prime is 2722619. The next prime is 2722639. The reversal of 2722626 is 6262272.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2722626.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6660 + ... + 7056.

It is an arithmetic number, because the mean of its divisors is an integer number (191040).

2^2722626 is an apocalyptic number.

2722626 is an abundant number, since it is smaller than the sum of its proper divisors (3390654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2722626 is a wasteful number, since it uses less digits than its factorization.

2722626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 529 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 2722626 is about 1650.0381813764. The cubic root of 2722626 is about 139.6355486736.

Adding to 2722626 its reverse (6262272), we get a palindrome (8984898).

The spelling of 2722626 in words is "two million, seven hundred twenty-two thousand, six hundred twenty-six".