1112221222 has 16 divisors (see below), whose sum is σ = 1907511840. Its totient is φ = 476454528.

The previous prime is 1112221199. The next prime is 1112221241. The reversal of 1112221222 is 2221222111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1112221196 and 1112221205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17404 + ... + 50272.

It is an arithmetic number, because the mean of its divisors is an integer number (119219490).

Almost surely, 2^1112221222 is an apocalyptic number.

1112221222 is a deficient number, since it is larger than the sum of its proper divisors (795290618).

1112221222 is a wasteful number, since it uses less digits than its factorization.

1112221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35295.

The product of its digits is 64, while the sum is 16.

The square root of 1112221222 is about 33349.9808395747. The cubic root of 1112221222 is about 1036.0889911033.

Adding to 1112221222 its reverse (2221222111), we get a palindrome (3333443333).

It can be divided in two parts, 111 and 2221222, that multiplied together give a palindrome (246555642).

The spelling of 1112221222 in words is "one billion, one hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".