2204221222 has 16 divisors (see below), whose sum is σ = 3806249760. Its totient is φ = 937770048.

The previous prime is 2204221177. The next prime is 2204221249. The reversal of 2204221222 is 2221224022.

2204221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2204221222.

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, 572697 + ... + 576532.

It is an arithmetic number, because the mean of its divisors is an integer number (237890610).

Almost surely, 2^2204221222 is an apocalyptic number.

2204221222 is a deficient number, since it is larger than the sum of its proper divisors (1602028538).

2204221222 is a wasteful number, since it uses less digits than its factorization.

2204221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149375.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2204221222 is about 46949.1344116162. The cubic root of 2204221222 is about 1301.4227464912.

Adding to 2204221222 its reverse (2221224022), we get a palindrome (4425445244).

It can be divided in two parts, 22042 and 21222, that added together give a square (43264 = 208²).

The spelling of 2204221222 in words is "two billion, two hundred four million, two hundred twenty-one thousand, two hundred twenty-two".