1112202220 has 48 divisors (see below), whose sum is σ = 2507899968. Its totient is φ = 412805120.

The previous prime is 1112202209. The next prime is 1112202233. The reversal of 1112202220 is 222022111.

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 1112202220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104 + ... + 47176.

It is an arithmetic number, because the mean of its divisors is an integer number (52247916).

Almost surely, 2^1112202220 is an apocalyptic number.

1112202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253949984).

1112202220 is an abundant number, since it is smaller than the sum of its proper divisors (1395697748).

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

1112202220 is a wasteful number, since it uses less digits than its factorization.

1112202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46170 (or 46168 counting only the distinct ones).

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

The square root of 1112202220 is about 33349.6959506380. The cubic root of 1112202220 is about 1036.0830906360.

Adding to 1112202220 its reverse (222022111), we get a palindrome (1334224331).

The spelling of 1112202220 in words is "one billion, one hundred twelve million, two hundred two thousand, two hundred twenty".