2279910820 has 96 divisors (see below), whose sum is σ = 5328239616. Its totient is φ = 812515200.

The previous prime is 2279910799. The next prime is 2279910847. The reversal of 2279910820 is 280199722.

2279910820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3545419 + ... + 3546061.

It is an arithmetic number, because the mean of its divisors is an integer number (55502496).

Almost surely, 2^2279910820 is an apocalyptic number.

2279910820 is a gapful number since it is divisible by the number (20) 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 2279910820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664119808).

2279910820 is an abundant number, since it is smaller than the sum of its proper divisors (3048328796).

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

2279910820 is a wasteful number, since it uses less digits than its factorization.

2279910820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 2279910820 is about 47748.4117013331. The cubic root of 2279910820 is about 1316.1517125994.

The spelling of 2279910820 in words is "two billion, two hundred seventy-nine million, nine hundred ten thousand, eight hundred twenty".