2221443044 has 24 divisors (see below), whose sum is σ = 3939694080. Its totient is φ = 1095905664.

The previous prime is 2221443019. The next prime is 2221443053. The reversal of 2221443044 is 4403441222.

It is a happy number.

It is a super-3 number, since 3×2221443044³ (a number of 29 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 89777 + ... + 111815.

It is an arithmetic number, because the mean of its divisors is an integer number (164153920).

Almost surely, 2^2221443044 is an apocalyptic number.

It is an amenable number.

2221443044 is a deficient number, since it is larger than the sum of its proper divisors (1718251036).

2221443044 is a wasteful number, since it uses less digits than its factorization.

2221443044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22379 (or 22377 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2221443044 is about 47132.1869214659. The cubic root of 2221443044 is about 1304.8033435798.

Adding to 2221443044 its reverse (4403441222), we get a palindrome (6624884266).

The spelling of 2221443044 in words is "two billion, two hundred twenty-one million, four hundred forty-three thousand, forty-four".