1115322472 has 32 divisors (see below), whose sum is σ = 2298780000. Its totient is φ = 503089600.

The previous prime is 1115322443. The next prime is 1115322473. The reversal of 1115322472 is 2742235111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115322472.

It is not an unprimeable number, because it can be changed into a prime (1115322473) 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, 36847 + ... + 59902.

It is an arithmetic number, because the mean of its divisors is an integer number (71836875).

Almost surely, 2^1115322472 is an apocalyptic number.

It is an amenable number.

1115322472 is an abundant number, since it is smaller than the sum of its proper divisors (1183457528).

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

1115322472 is a wasteful number, since it uses less digits than its factorization.

1115322472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96897 (or 96893 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1115322472 is about 33396.4440023186. Note that the first 3 decimals coincide. The cubic root of 1115322472 is about 1037.0510866133.

Adding to 1115322472 its reverse (2742235111), we get a palindrome (3857557583).

The spelling of 1115322472 in words is "one billion, one hundred fifteen million, three hundred twenty-two thousand, four hundred seventy-two".