2228553320 has 256 divisors, whose sum is σ = 6289920000. Its totient is φ = 708196608.

The previous prime is 2228553311. The next prime is 2228553323. The reversal of 2228553320 is 233558222.

It is not an unprimeable number, because it can be changed into a prime (2228553323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21636389 + ... + 21636491.

It is an arithmetic number, because the mean of its divisors is an integer number (24570000).

Almost surely, 2^2228553320 is an apocalyptic number.

2228553320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228553320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144960000).

2228553320 is an abundant number, since it is smaller than the sum of its proper divisors (4061366680).

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

2228553320 is a wasteful number, since it uses less digits than its factorization.

2228553320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2228553320 is about 47207.5557511719. Note that the first 3 decimals coincide. The cubic root of 2228553320 is about 1306.1939758486.

The spelling of 2228553320 in words is "two billion, two hundred twenty-eight million, five hundred fifty-three thousand, three hundred twenty".