115771422 has 96 divisors (see below), whose sum is σ = 269844480. Its totient is φ = 33022080.

The previous prime is 115771421. The next prime is 115771429. The reversal of 115771422 is 224177511.

It is a self number, because there is not a number n which added to its sum of digits gives 115771422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115771421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 911523 + ... + 911649.

It is an arithmetic number, because the mean of its divisors is an integer number (2810880).

Almost surely, 2^115771422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115771422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134922240).

115771422 is an abundant number, since it is smaller than the sum of its proper divisors (154073058).

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

115771422 is a wasteful number, since it uses less digits than its factorization.

115771422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 205 counting only the distinct ones).

The product of its digits is 3920, while the sum is 30.

The square root of 115771422 is about 10759.7129143858. The cubic root of 115771422 is about 487.3793479199.

The spelling of 115771422 in words is "one hundred fifteen million, seven hundred seventy-one thousand, four hundred twenty-two".