115510228 has 6 divisors (see below), whose sum is σ = 202142906. Its totient is φ = 57755112.

The previous prime is 115510217. The next prime is 115510237. The reversal of 115510228 is 822015511.

It can be written as a sum of positive squares in only one way, i.e., 111133764 + 4376464 = 10542^2 + 2092^2 .

It is a super-2 number, since 2×115510228² = 26685225545223968, which contains 22 as substring.

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, 14438775 + ... + 14438782.

Almost surely, 2^115510228 is an apocalyptic number.

It is an amenable number.

115510228 is a deficient number, since it is larger than the sum of its proper divisors (86632678).

115510228 is a wasteful number, since it uses less digits than its factorization.

115510228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28877561 (or 28877559 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 115510228 is about 10747.5684691934. The cubic root of 115510228 is about 487.0125434748.

Adding to 115510228 its reverse (822015511), we get a palindrome (937525739).

The spelling of 115510228 in words is "one hundred fifteen million, five hundred ten thousand, two hundred twenty-eight".