1112022220 has 24 divisors (see below), whose sum is σ = 2338210224. Its totient is φ = 444244416.

The previous prime is 1112022211. The next prime is 1112022257. The reversal of 1112022220 is 222202111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112022220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18942 + ... + 50821.

It is an arithmetic number, because the mean of its divisors is an integer number (97425426).

Almost surely, 2^1112022220 is an apocalyptic number.

1112022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112022220 is an abundant number, since it is smaller than the sum of its proper divisors (1226188004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112022220 is a wasteful number, since it uses less digits than its factorization.

1112022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70569 (or 70567 counting only the distinct ones).

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

The square root of 1112022220 is about 33346.9971661618. The cubic root of 1112022220 is about 1036.0271940209.

Adding to 1112022220 its reverse (222202111), we get a palindrome (1334224331).

The spelling of 1112022220 in words is "one billion, one hundred twelve million, twenty-two thousand, two hundred twenty".