222222121022 has 8 divisors (see below), whose sum is σ = 363636198072. Its totient is φ = 101010055000.

The previous prime is 222222121021. The next prime is 222222121057. The reversal of 222222121022 is 220121222222.

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 = 222222120985 and 222222121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222121021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050502729 + ... + 5050502772.

It is an arithmetic number, because the mean of its divisors is an integer number (45454524759).

Almost surely, 2^222222121022 is an apocalyptic number.

222222121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222222121022 is a deficient number, since it is larger than the sum of its proper divisors (141414077050).

222222121022 is a wasteful number, since it uses less digits than its factorization.

222222121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101005514.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222121022 its reverse (220121222222), we get a palindrome (442343343244).

The spelling of 222222121022 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-two".