2228009328 has 50 divisors (see below), whose sum is σ = 6448509144. Its totient is φ = 742669344.

The previous prime is 2228009327. The next prime is 2228009351. The reversal of 2228009328 is 8239008222.

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

It is a junction number, because it is equal to n+sod(n) for n = 2228009292 and 2228009301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228009321) 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, 858276 + ... + 860867.

Almost surely, 2^2228009328 is an apocalyptic number.

It is an amenable number.

2228009328 is an abundant number, since it is smaller than the sum of its proper divisors (4220499816).

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

2228009328 is a wasteful number, since it uses less digits than its factorization.

2228009328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719163 (or 1719148 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2228009328 is about 47201.7936947316. The cubic root of 2228009328 is about 1306.0876861328.

The spelling of 2228009328 in words is "two billion, two hundred twenty-eight million, nine thousand, three hundred twenty-eight".