2628522 has 48 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 788256.

The previous prime is 2628499. The next prime is 2628533. The reversal of 2628522 is 2258262.

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, 10879 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2^2628522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2628522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144960).

2628522 is an abundant number, since it is smaller than the sum of its proper divisors (3661398).

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

2628522 is a wasteful number, since it uses less digits than its factorization.

2628522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 304 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2628522 is about 1621.2717230619. The cubic root of 2628522 is about 138.0078760470.

Adding to 2628522 its product of digits (3840), we get a palindrome (2632362).

The spelling of 2628522 in words is "two million, six hundred twenty-eight thousand, five hundred twenty-two".