2201221222 has 8 divisors (see below), whose sum is σ = 3302428896. Its totient is φ = 1100411592.

The previous prime is 2201221207. The next prime is 2201221223. The reversal of 2201221222 is 2221221022.

2201221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2201221196 and 2201221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201221223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85278 + ... + 108049.

It is an arithmetic number, because the mean of its divisors is an integer number (412803612).

Almost surely, 2^2201221222 is an apocalyptic number.

2201221222 is a deficient number, since it is larger than the sum of its proper divisors (1101207674).

2201221222 is a wasteful number, since it uses less digits than its factorization.

2201221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199022.

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

The square root of 2201221222 is about 46917.1740623836. The cubic root of 2201221222 is about 1300.8320555010.

Adding to 2201221222 its reverse (2221221022), we get a palindrome (4422442244).

It can be divided in two parts, 22012 and 21222, that added together give a palindrome (43234).

The spelling of 2201221222 in words is "two billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-two".