2226571218 has 96 divisors (see below), whose sum is σ = 5171392512. Its totient is φ = 691135200.

The previous prime is 2226571213. The next prime is 2226571241. The reversal of 2226571218 is 8121756222.

It is a happy number.

2226571218 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2226571211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1702921 + ... + 1704227.

It is an arithmetic number, because the mean of its divisors is an integer number (53868672).

Almost surely, 2^2226571218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2226571218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585696256).

2226571218 is an abundant number, since it is smaller than the sum of its proper divisors (2944821294).

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

2226571218 is a wasteful number, since it uses less digits than its factorization.

2226571218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1457 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 2226571218 is about 47186.5575985365. The cubic root of 2226571218 is about 1305.8066127981.

The spelling of 2226571218 in words is "two billion, two hundred twenty-six million, five hundred seventy-one thousand, two hundred eighteen".