1112220440 has 32 divisors (see below), whose sum is σ = 2504090160. Its totient is φ = 444604800.

The previous prime is 1112220437. The next prime is 1112220493. The reversal of 1112220440 is 440222111.

It is a congruent number.

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, 61655 + ... + 77625.

Almost surely, 2^1112220440 is an apocalyptic number.

1112220440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112220440 is an abundant number, since it is smaller than the sum of its proper divisors (1391869720).

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

1112220440 is a wasteful number, since it uses less digits than its factorization.

1112220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17723 (or 17719 counting only the distinct ones).

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

The square root of 1112220440 is about 33349.9691154280. The cubic root of 1112220440 is about 1036.0887482794.

Adding to 1112220440 its reverse (440222111), we get a palindrome (1552442551).

The spelling of 1112220440 in words is "one billion, one hundred twelve million, two hundred twenty thousand, four hundred forty".