4400221012 has 12 divisors (see below), whose sum is σ = 8400422016. Its totient is φ = 2000100440.

The previous prime is 4400221009. The next prime is 4400221037. The reversal of 4400221012 is 2101220044.

It is a congruent number.

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, 50002468 + ... + 50002555.

It is an arithmetic number, because the mean of its divisors is an integer number (700035168).

Almost surely, 2^4400221012 is an apocalyptic number.

It is an amenable number.

4400221012 is a deficient number, since it is larger than the sum of its proper divisors (4000201004).

4400221012 is a wasteful number, since it uses less digits than its factorization.

4400221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100005038 (or 100005036 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4400221012 is about 66334.1617268207. The cubic root of 4400221012 is about 1638.6699770802.

Adding to 4400221012 its reverse (2101220044), we get a palindrome (6501441056).

The spelling of 4400221012 in words is "four billion, four hundred million, two hundred twenty-one thousand, twelve".