4401221222 has 16 divisors (see below), whose sum is σ = 6991472880. Its totient is φ = 2070778368.

The previous prime is 4401221203. The next prime is 4401221243. The reversal of 4401221222 is 2221221044.

It is a junction number, because it is equal to n+sod(n) for n = 4401221194 and 4401221203.

It is a congruent number.

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, 269054 + ... + 284942.

It is an arithmetic number, because the mean of its divisors is an integer number (436967055).

Almost surely, 2^4401221222 is an apocalyptic number.

4401221222 is a deficient number, since it is larger than the sum of its proper divisors (2590251658).

4401221222 is a wasteful number, since it uses less digits than its factorization.

4401221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24055.

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

The square root of 4401221222 is about 66341.7004756435. The cubic root of 4401221222 is about 1638.7941291718.

Adding to 4401221222 its reverse (2221221044), we get a palindrome (6622442266).

The spelling of 4401221222 in words is "four billion, four hundred one million, two hundred twenty-one thousand, two hundred twenty-two".