1112222028 has 48 divisors (see below), whose sum is σ = 2642330880. Its totient is φ = 364027200.

The previous prime is 1112221997. The next prime is 1112222051. The reversal of 1112222028 is 8202222111.

It is a junction number, because it is equal to n+sod(n) for n = 1112221995 and 1112222013.

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, 613243 + ... + 615053.

It is an arithmetic number, because the mean of its divisors is an integer number (55048560).

Almost surely, 2^1112222028 is an apocalyptic number.

It is an amenable number.

1112222028 is an abundant number, since it is smaller than the sum of its proper divisors (1530108852).

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

1112222028 is a wasteful number, since it uses less digits than its factorization.

1112222028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1112222028 is about 33349.9929235375. The cubic root of 1112222028 is about 1036.0892413795.

Adding to 1112222028 its reverse (8202222111), we get a palindrome (9314444139).

The spelling of 1112222028 in words is "one billion, one hundred twelve million, two hundred twenty-two thousand, twenty-eight".