2228748288 has 160 divisors (see below), whose sum is σ = 6459222000. Its totient is φ = 679477248.

The previous prime is 2228748251. The next prime is 2228748307. The reversal of 2228748288 is 8828478222.

It is a self number, because there is not a number n which added to its sum of digits gives 2228748288.

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, 20447178 + ... + 20447286.

Almost surely, 2^2228748288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228748288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3229611000).

2228748288 is an abundant number, since it is smaller than the sum of its proper divisors (4230473712).

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

2228748288 is an frugal number, since it uses more digits than its factorization.

2228748288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 127 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 51.

The square root of 2228748288 is about 47209.6207144264. The cubic root of 2228748288 is about 1306.2320661198.

The spelling of 2228748288 in words is "two billion, two hundred twenty-eight million, seven hundred forty-eight thousand, two hundred eighty-eight".