115522398 has 12 divisors (see below), whose sum is σ = 250298568. Its totient is φ = 38507460.

The previous prime is 115522397. The next prime is 115522423. The reversal of 115522398 is 893225511.

115522398 is a `hidden beast` number, since 11 + 552 + 2 + 3 + 98 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115522391) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3208938 + ... + 3208973.

It is an arithmetic number, because the mean of its divisors is an integer number (20858214).

Almost surely, 2^115522398 is an apocalyptic number.

115522398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115522398 is an abundant number, since it is smaller than the sum of its proper divisors (134776170).

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

115522398 is a wasteful number, since it uses less digits than its factorization.

115522398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417919 (or 6417916 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 115522398 is about 10748.1346288554. The cubic root of 115522398 is about 487.0296465332.

The spelling of 115522398 in words is "one hundred fifteen million, five hundred twenty-two thousand, three hundred ninety-eight".