1113422440 has 32 divisors (see below), whose sum is σ = 2697909480. Its totient is φ = 411109632.

The previous prime is 1113422417. The next prime is 1113422459. The reversal of 1113422440 is 442243111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 618715876 + 494706564 = 24874^2 + 22242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070079 + ... + 1071118.

Almost surely, 2^1113422440 is an apocalyptic number.

1113422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113422440 is an abundant number, since it is smaller than the sum of its proper divisors (1584487040).

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

1113422440 is a wasteful number, since it uses less digits than its factorization.

1113422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141221 (or 2141217 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1113422440 is about 33367.9852553312. The cubic root of 1113422440 is about 1036.4618548640.

Adding to 1113422440 its reverse (442243111), we get a palindrome (1555665551).

The spelling of 1113422440 in words is "one billion, one hundred thirteen million, four hundred twenty-two thousand, four hundred forty".