115522242 has 64 divisors (see below), whose sum is σ = 280972800. Its totient is φ = 31207680.

The previous prime is 115522237. The next prime is 115522279. The reversal of 115522242 is 242225511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18609 + ... + 24027.

It is an arithmetic number, because the mean of its divisors is an integer number (4390200).

Almost surely, 2^115522242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115522242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140486400).

115522242 is an abundant number, since it is smaller than the sum of its proper divisors (165450558).

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

115522242 is a wasteful number, since it uses less digits than its factorization.

115522242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471.

The product of its digits is 1600, while the sum is 24.

The square root of 115522242 is about 10748.1273717797. The cubic root of 115522242 is about 487.0294273068.

Adding to 115522242 its reverse (242225511), we get a palindrome (357747753).

The spelling of 115522242 in words is "one hundred fifteen million, five hundred twenty-two thousand, two hundred forty-two".