2622331668 has 144 divisors (see below), whose sum is σ = 7230129984. Its totient is φ = 733224960.

The previous prime is 2622331639. The next prime is 2622331717. The reversal of 2622331668 is 8661332262.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2021196 + ... + 2022492.

It is an arithmetic number, because the mean of its divisors is an integer number (50209236).

Almost surely, 2^2622331668 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 2622331668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615064992).

2622331668 is an abundant number, since it is smaller than the sum of its proper divisors (4607798316).

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

2622331668 is a wasteful number, since it uses less digits than its factorization.

2622331668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1383 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 2622331668 is about 51208.7069549701. The cubic root of 2622331668 is about 1378.9945185721.

It can be divided in two parts, 262233 and 1668, that added together give a triangular number (263901 = T₇₂₆).

The spelling of 2622331668 in words is "two billion, six hundred twenty-two million, three hundred thirty-one thousand, six hundred sixty-eight".