2276638280 has 32 divisors (see below), whose sum is σ = 5854213440. Its totient is φ = 780561600.

The previous prime is 2276638277. The next prime is 2276638289. The reversal of 2276638280 is 828366722.

2276638280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2276638280² = 10366163715922716800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2276638289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4065146 + ... + 4065705.

It is an arithmetic number, because the mean of its divisors is an integer number (182944170).

Almost surely, 2^2276638280 is an apocalyptic number.

2276638280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2276638280 is an abundant number, since it is smaller than the sum of its proper divisors (3577575160).

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

2276638280 is a wasteful number, since it uses less digits than its factorization.

2276638280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130869 (or 8130865 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 2276638280 is about 47714.1308209633. The cubic root of 2276638280 is about 1315.5216848022.

The spelling of 2276638280 in words is "two billion, two hundred seventy-six million, six hundred thirty-eight thousand, two hundred eighty".