222111022 has 64 divisors (see below), whose sum is σ = 408240000. Its totient is φ = 90504960.

The previous prime is 222111017. The next prime is 222111031. The reversal of 222111022 is 220111222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222110993 and 222111011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1490604 + ... + 1490752.

It is an arithmetic number, because the mean of its divisors is an integer number (6378750).

Almost surely, 2^222111022 is an apocalyptic number.

222111022 is a deficient number, since it is larger than the sum of its proper divisors (186128978).

222111022 is a wasteful number, since it uses less digits than its factorization.

222111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222111022 is about 14903.3896144468. The cubic root of 222111022 is about 605.6058153136.

Adding to 222111022 its reverse (220111222), we get a palindrome (442222244).

The spelling of 222111022 in words is "two hundred twenty-two million, one hundred eleven thousand, twenty-two".