2228780000 has 60 divisors (see below), whose sum is σ = 5483182320. Its totient is φ = 891504000.

The previous prime is 2228779981. The next prime is 2228780003. The reversal of 2228780000 is 878222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228780003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35720 + ... + 75719.

It is an arithmetic number, because the mean of its divisors is an integer number (91386372).

Almost surely, 2^2228780000 is an apocalyptic number.

2228780000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228780000 is an abundant number, since it is smaller than the sum of its proper divisors (3254402320).

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

2228780000 is an equidigital number, since it uses as much as digits as its factorization.

2228780000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111469 (or 111446 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 2228780000 is about 47209.9565769764. The cubic root of 2228780000 is about 1306.2382613812.

The spelling of 2228780000 in words is "two billion, two hundred twenty-eight million, seven hundred eighty thousand".