2228028804 has 27 divisors (see below), whose sum is σ = 5632677687. Its totient is φ = 742581864.

The previous prime is 2228028773. The next prime is 2228028821. The reversal of 2228028804 is 4088208222.

The square root of 2228028804 is 47202.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2228028804² = 9928224702907340832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 279279 + ... + 287145.

Almost surely, 2^2228028804 is an apocalyptic number.

2228028804 is the 47202-nd square number.

It is an amenable number.

2228028804 is an abundant number, since it is smaller than the sum of its proper divisors (3404648883).

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

2228028804 is an frugal number, since it uses more digits than its factorization.

2228028804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15744 (or 7872 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The cubic root of 2228028804 is about 1306.0914918155.

Multiplying 2228028804 by its sum of digits (36), we get a square (80209036944 = 283212²).

2228028804 divided by its sum of digits (36) gives a square (61889689 = 7867²).

The spelling of 2228028804 in words is "two billion, two hundred twenty-eight million, twenty-eight thousand, eight hundred four".