115622320 has 80 divisors (see below), whose sum is σ = 296980992. Its totient is φ = 41511680.

The previous prime is 115622317. The next prime is 115622323. The reversal of 115622320 is 23226511.

It is an interprime number because it is at equal distance from previous prime (115622317) and next prime (115622323).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 115622291 and 115622300.

It is not an unprimeable number, because it can be changed into a prime (115622323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72249 + ... + 73831.

Almost surely, 2^115622320 is an apocalyptic number.

115622320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115622320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148490496).

115622320 is an abundant number, since it is smaller than the sum of its proper divisors (181358672).

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

115622320 is a wasteful number, since it uses less digits than its factorization.

115622320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 115622320 is about 10752.7819656124. The cubic root of 115622320 is about 487.1700260984.

Adding to 115622320 its reverse (23226511), we get a palindrome (138848831).

The spelling of 115622320 in words is "one hundred fifteen million, six hundred twenty-two thousand, three hundred twenty".