2622456 has 96 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 816480.

The previous prime is 2622443. The next prime is 2622461. The reversal of 2622456 is 6542262.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36901 + ... + 36971.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2^2622456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2622456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931200).

2622456 is an abundant number, since it is smaller than the sum of its proper divisors (5239944).

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

2622456 is a wasteful number, since it uses less digits than its factorization.

2622456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 95 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2622456 is about 1619.3998888477. The cubic root of 2622456 is about 137.9016312210.

The spelling of 2622456 in words is "two million, six hundred twenty-two thousand, four hundred fifty-six".