2222022222 has 48 divisors (see below), whose sum is σ = 5791743360. Its totient is φ = 601448976.

The previous prime is 2222022217. The next prime is 2222022233. The reversal of 2222022222 is 2222202222.

It is a Harshad number since it is a multiple of its sum of digits (18).

2222022222 is a modest number, since divided by 22222 gives 22220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2222022195 and 2222022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461688 + ... + 466475.

It is an arithmetic number, because the mean of its divisors is an integer number (120661320).

Almost surely, 2^2222022222 is an apocalyptic number.

2222022222 is an abundant number, since it is smaller than the sum of its proper divisors (3569721138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222022222 is a wasteful number, since it uses less digits than its factorization.

2222022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928197 (or 928194 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2222022222 is about 47138.3307086706. The cubic root of 2222022222 is about 1304.9167304952.

Adding to 2222022222 its reverse (2222202222), we get a palindrome (4444224444).

It can be divided in two parts, 222202222 and 2, that multiplied together give a palindrome (444404444).

The spelling of 2222022222 in words is "two billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty-two".