2267878920 has 64 divisors (see below), whose sum is σ = 6969594240. Its totient is φ = 590016000.

The previous prime is 2267878919. The next prime is 2267878927. The reversal of 2267878920 is 298787622.

It is not an unprimeable number, because it can be changed into a prime (2267878927) 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, 225556 + ... + 235395.

It is an arithmetic number, because the mean of its divisors is an integer number (108899910).

Almost surely, 2^2267878920 is an apocalyptic number.

2267878920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2267878920 is an abundant number, since it is smaller than the sum of its proper divisors (4701715320).

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

2267878920 is a wasteful number, since it uses less digits than its factorization.

2267878920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461006 (or 461002 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 2267878920 is about 47622.2523616849. The cubic root of 2267878920 is about 1313.8323609428.

The spelling of 2267878920 in words is "two billion, two hundred sixty-seven million, eight hundred seventy-eight thousand, nine hundred twenty".