115042228 has 48 divisors (see below), whose sum is σ = 246000384. Its totient is φ = 45999360.

The previous prime is 115042189. The next prime is 115042231. The reversal of 115042228 is 822240511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24226 + ... + 28582.

It is an arithmetic number, because the mean of its divisors is an integer number (5125008).

Almost surely, 2^115042228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115042228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123000192).

115042228 is an abundant number, since it is smaller than the sum of its proper divisors (130958156).

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

115042228 is a wasteful number, since it uses less digits than its factorization.

115042228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432 (or 4430 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 115042228 is about 10725.7740047047. The cubic root of 115042228 is about 486.3539282615.

Adding to 115042228 its reverse (822240511), we get a palindrome (937282739).

The spelling of 115042228 in words is "one hundred fifteen million, forty-two thousand, two hundred twenty-eight".