2622655992 has 64 divisors (see below), whose sum is σ = 7174546560. Its totient is φ = 792316800.

The previous prime is 2622655969. The next prime is 2622655993. The reversal of 2622655992 is 2995562262.

2622655992 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2622655993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72378 + ... + 102390.

It is an arithmetic number, because the mean of its divisors is an integer number (112102290).

Almost surely, 2^2622655992 is an apocalyptic number.

2622655992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2622655992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3587273280).

2622655992 is an abundant number, since it is smaller than the sum of its proper divisors (4551890568).

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

2622655992 is a wasteful number, since it uses less digits than its factorization.

2622655992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30364 (or 30360 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 2622655992 is about 51211.8735451067. The cubic root of 2622655992 is about 1379.0513665275.

The spelling of 2622655992 in words is "two billion, six hundred twenty-two million, six hundred fifty-five thousand, nine hundred ninety-two".