115321224 has 32 divisors (see below), whose sum is σ = 288576000. Its totient is φ = 38404032.

The previous prime is 115321187. The next prime is 115321243. The reversal of 115321224 is 422123511.

It is a self number, because there is not a number n which added to its sum of digits gives 115321224.

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, 38617 + ... + 41495.

It is an arithmetic number, because the mean of its divisors is an integer number (9018000).

Almost surely, 2^115321224 is an apocalyptic number.

It is an amenable number.

115321224 is an abundant number, since it is smaller than the sum of its proper divisors (173254776).

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

115321224 is a wasteful number, since it uses less digits than its factorization.

115321224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557 (or 4553 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 115321224 is about 10738.7719968346. The cubic root of 115321224 is about 486.7467731608.

Adding to 115321224 its reverse (422123511), we get a palindrome (537444735).

It can be divided in two parts, 11 and 5321224, that added together give a palindrome (5321235).

The spelling of 115321224 in words is "one hundred fifteen million, three hundred twenty-one thousand, two hundred twenty-four".