2205722222 has 16 divisors (see below), whose sum is σ = 3821679792. Its totient is φ = 943624320.

The previous prime is 2205722203. The next prime is 2205722231. The reversal of 2205722222 is 2222275022.

2205722222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2205722191 and 2205722200.

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, 2948453 + ... + 2949200.

It is an arithmetic number, because the mean of its divisors is an integer number (238854987).

Almost surely, 2^2205722222 is an apocalyptic number.

2205722222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2205722222 is a deficient number, since it is larger than the sum of its proper divisors (1615957570).

2205722222 is a wasteful number, since it uses less digits than its factorization.

2205722222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897683.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 2205722222 is about 46965.1170764004. The cubic root of 2205722222 is about 1301.7180877336.

Adding to 2205722222 its reverse (2222275022), we get a palindrome (4427997244).

It can be divided in two parts, 2205 and 722222, that added together give a palindrome (724427).

The spelling of 2205722222 in words is "two billion, two hundred five million, seven hundred twenty-two thousand, two hundred twenty-two".