2228844820 has 24 divisors (see below), whose sum is σ = 4831561728. Its totient is φ = 862778400.

The previous prime is 2228844797. The next prime is 2228844841. The reversal of 2228844820 is 284488222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796836 + ... + 1798075.

It is an arithmetic number, because the mean of its divisors is an integer number (201315072).

Almost surely, 2^2228844820 is an apocalyptic number.

2228844820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2228844820 is an abundant number, since it is smaller than the sum of its proper divisors (2602716908).

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

2228844820 is a wasteful number, since it uses less digits than its factorization.

2228844820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594951 (or 3594949 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 2228844820 is about 47210.6430797124. The cubic root of 2228844820 is about 1306.2509244440.

The spelling of 2228844820 in words is "two billion, two hundred twenty-eight million, eight hundred forty-four thousand, eight hundred twenty".