115722228 has 24 divisors (see below), whose sum is σ = 273719488. Its totient is φ = 38045376.

The previous prime is 115722203. The next prime is 115722239. The reversal of 115722228 is 822227511.

It is a junction number, because it is equal to n+sod(n) for n = 115722195 and 115722204.

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 7 ways as a sum of consecutive naturals, for example, 65176 + ... + 66927.

Almost surely, 2^115722228 is an apocalyptic number.

It is an amenable number.

115722228 is an abundant number, since it is smaller than the sum of its proper divisors (157997260).

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

115722228 is a wasteful number, since it uses less digits than its factorization.

115722228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132183 (or 132181 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 115722228 is about 10757.4266439516. The cubic root of 115722228 is about 487.3103051572.

Adding to 115722228 its reverse (822227511), we get a palindrome (937949739).

The spelling of 115722228 in words is "one hundred fifteen million, seven hundred twenty-two thousand, two hundred twenty-eight".