115225312 has 12 divisors (see below), whose sum is σ = 226849896. Its totient is φ = 57612640.

The previous prime is 115225277. The next prime is 115225321. The reversal of 115225312 is 213522511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800364 + ... + 1800427.

It is an arithmetic number, because the mean of its divisors is an integer number (18904158).

Almost surely, 2^115225312 is an apocalyptic number.

It is an amenable number.

115225312 is a deficient number, since it is larger than the sum of its proper divisors (111624584).

115225312 is an equidigital number, since it uses as much as digits as its factorization.

115225312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600801 (or 3600793 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 115225312 is about 10734.3053804147. The cubic root of 115225312 is about 486.6117942345.

Adding to 115225312 its reverse (213522511), we get a palindrome (328747823).

The spelling of 115225312 in words is "one hundred fifteen million, two hundred twenty-five thousand, three hundred twelve".