222212121022 has 8 divisors (see below), whose sum is σ = 333547902072. Its totient is φ = 111029487000.

The previous prime is 222212120987. The next prime is 222212121049. The reversal of 222212121022 is 220121212222.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 38283129 + ... + 38288932.

It is an arithmetic number, because the mean of its divisors is an integer number (41693487759).

Almost surely, 2^222212121022 is an apocalyptic number.

222212121022 is a deficient number, since it is larger than the sum of its proper divisors (111335781050).

222212121022 is a wasteful number, since it uses less digits than its factorization.

222212121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76573514.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222212121022 its reverse (220121212222), we get a palindrome (442333333244).

The spelling of 222212121022 in words is "two hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, twenty-two".