222222222022 has 8 divisors (see below), whose sum is σ = 333396563976. Its totient is φ = 111090034032.

The previous prime is 222222222007. The next prime is 222222222031. The reversal of 222222222022 is 220222222222.

It is a happy number.

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 = 222222221984 and 222222222002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10525308 + ... + 10546399.

It is an arithmetic number, because the mean of its divisors is an integer number (41674570497).

Almost surely, 2^222222222022 is an apocalyptic number.

222222222022 is a deficient number, since it is larger than the sum of its proper divisors (111174341954).

222222222022 is a wasteful number, since it uses less digits than its factorization.

222222222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21076982.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 222222222022 its reverse (220222222222), we get a palindrome (442444444244).

The spelling of 222222222022 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-two".