115033221 has 12 divisors (see below), whose sum is σ = 166252320. Its totient is φ = 76645800.

The previous prime is 115033187. The next prime is 115033223. The reversal of 115033221 is 122330511.

It is not a de Polignac number, because 115033221 - 2¹⁵ = 115000453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115033194 and 115033203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115033223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27946 + ... + 31796.

It is an arithmetic number, because the mean of its divisors is an integer number (13854360).

Almost surely, 2^115033221 is an apocalyptic number.

It is an amenable number.

115033221 is a deficient number, since it is larger than the sum of its proper divisors (51219099).

115033221 is a wasteful number, since it uses less digits than its factorization.

115033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7176 (or 7173 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115033221 is about 10725.3541200279. The cubic root of 115033221 is about 486.3412352292.

Adding to 115033221 its reverse (122330511), we get a palindrome (237363732).

The spelling of 115033221 in words is "one hundred fifteen million, thirty-three thousand, two hundred twenty-one".