2221324044 has 12 divisors (see below), whose sum is σ = 5183089464. Its totient is φ = 740441344.

The previous prime is 2221324013. The next prime is 2221324069. The reversal of 2221324044 is 4404231222.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92555157 + ... + 92555180.

It is an arithmetic number, because the mean of its divisors is an integer number (431924122).

Almost surely, 2^2221324044 is an apocalyptic number.

It is an amenable number.

2221324044 is an abundant number, since it is smaller than the sum of its proper divisors (2961765420).

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

2221324044 is a wasteful number, since it uses less digits than its factorization.

2221324044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185110344 (or 185110342 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2221324044 is about 47130.9244976162. The cubic root of 2221324044 is about 1304.7800442548.

Adding to 2221324044 its reverse (4404231222), we get a palindrome (6625555266).

The spelling of 2221324044 in words is "two billion, two hundred twenty-one million, three hundred twenty-four thousand, forty-four".