1112212222 has 8 divisors (see below), whose sum is σ = 1819983672. Its totient is φ = 505551000.

The previous prime is 1112212181. The next prime is 1112212223. The reversal of 1112212222 is 2222122111.

It is a happy number.

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

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 = 1112212196 and 1112212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112212223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25277529 + ... + 25277572.

It is an arithmetic number, because the mean of its divisors is an integer number (227497959).

Almost surely, 2^1112212222 is an apocalyptic number.

1112212222 is a deficient number, since it is larger than the sum of its proper divisors (707771450).

1112212222 is a wasteful number, since it uses less digits than its factorization.

1112212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555114.

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

The square root of 1112212222 is about 33349.8459066905. The cubic root of 1112212222 is about 1036.0861964477.

Adding to 1112212222 its reverse (2222122111), we get a palindrome (3334334333).

The spelling of 1112212222 in words is "one billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-two".