2229572916 has 72 divisors (see below), whose sum is σ = 5997700800. Its totient is φ = 695920896.

The previous prime is 2229572903. The next prime is 2229572921. The reversal of 2229572916 is 6192759222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112635 + ... + 130941.

It is an arithmetic number, because the mean of its divisors is an integer number (83301400).

Almost surely, 2^2229572916 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 2229572916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998850400).

2229572916 is an abundant number, since it is smaller than the sum of its proper divisors (3768127884).

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

2229572916 is a wasteful number, since it uses less digits than its factorization.

2229572916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18533 (or 18528 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 2229572916 is about 47218.3535926445. The cubic root of 2229572916 is about 1306.3931464777.

The spelling of 2229572916 in words is "two billion, two hundred twenty-nine million, five hundred seventy-two thousand, nine hundred sixteen".