1112224220 has 24 divisors (see below), whose sum is σ = 2392640208. Its totient is φ = 434038400.

The previous prime is 1112224219. The next prime is 1112224229. The reversal of 1112224220 is 224222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112224229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677366 + ... + 679005.

It is an arithmetic number, because the mean of its divisors is an integer number (99693342).

Almost surely, 2^1112224220 is an apocalyptic number.

1112224220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112224220 is an abundant number, since it is smaller than the sum of its proper divisors (1280415988).

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

1112224220 is a wasteful number, since it uses less digits than its factorization.

1112224220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356421 (or 1356419 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1112224220 is about 33350.0257870965. The cubic root of 1112224220 is about 1036.0899220309.

Adding to 1112224220 its reverse (224222111), we get a palindrome (1336446331).

The spelling of 1112224220 in words is "one billion, one hundred twelve million, two hundred twenty-four thousand, two hundred twenty".