2622638682 has 64 divisors (see below), whose sum is σ = 5917017600. Its totient is φ = 860932800.

The previous prime is 2622638659. The next prime is 2622638713. The reversal of 2622638682 is 2868362262.

2622638682 is a `hidden beast` number, since 2 + 6 + 2 + 2 + 638 + 6 + 8 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2990028 + ... + 2990904.

It is an arithmetic number, because the mean of its divisors is an integer number (92453400).

Almost surely, 2^2622638682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2622638682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2958508800).

2622638682 is an abundant number, since it is smaller than the sum of its proper divisors (3294378918).

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

2622638682 is a wasteful number, since it uses less digits than its factorization.

2622638682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1662 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 2622638682 is about 51211.7045410519. The cubic root of 2622638682 is about 1379.0483325254.

The spelling of 2622638682 in words is "two billion, six hundred twenty-two million, six hundred thirty-eight thousand, six hundred eighty-two".