2221012244 has 24 divisors (see below), whose sum is σ = 4244643648. Its totient is φ = 1008472640.

The previous prime is 2221012229. The next prime is 2221012249. The reversal of 2221012244 is 4422101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221012249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15449 + ... + 68415.

It is an arithmetic number, because the mean of its divisors is an integer number (176860152).

Almost surely, 2^2221012244 is an apocalyptic number.

It is an amenable number.

2221012244 is a deficient number, since it is larger than the sum of its proper divisors (2023631404).

2221012244 is a wasteful number, since it uses less digits than its factorization.

2221012244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53935 (or 53933 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2221012244 is about 47127.6165745733. The cubic root of 2221012244 is about 1304.7189921605.

Adding to 2221012244 its reverse (4422101222), we get a palindrome (6643113466).

The spelling of 2221012244 in words is "two billion, two hundred twenty-one million, twelve thousand, two hundred forty-four".