2228504280 has 64 divisors (see below), whose sum is σ = 6689714400. Its totient is φ = 593894400.

The previous prime is 2228504269. The next prime is 2228504323. The reversal of 2228504280 is 824058222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223236 + ... + 233004.

Almost surely, 2^2228504280 is an apocalyptic number.

2228504280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228504280 is an abundant number, since it is smaller than the sum of its proper divisors (4461210120).

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

2228504280 is a wasteful number, since it uses less digits than its factorization.

2228504280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684 (or 11680 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 2228504280 is about 47207.0363399356. The cubic root of 2228504280 is about 1306.1843947118.

The spelling of 2228504280 in words is "two billion, two hundred twenty-eight million, five hundred four thousand, two hundred eighty".