2221323244 has 24 divisors (see below), whose sum is σ = 4457825568. Its totient is φ = 948743040.

The previous prime is 2221323229. The next prime is 2221323263. The reversal of 2221323244 is 4423231222.

2221323244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 127177 + ... + 143584.

It is an arithmetic number, because the mean of its divisors is an integer number (185742732).

Almost surely, 2^2221323244 is an apocalyptic number.

It is an amenable number.

2221323244 is an abundant number, since it is smaller than the sum of its proper divisors (2236502324).

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

2221323244 is a wasteful number, since it uses less digits than its factorization.

2221323244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271065 (or 271063 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 2221323244 is about 47130.9160106188. The cubic root of 2221323244 is about 1304.7798876178.

Adding to 2221323244 its reverse (4423231222), we get a palindrome (6644554466).

The spelling of 2221323244 in words is "two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred forty-four".