115222304428 has 192 divisors, whose sum is σ = 272203545600. Its totient is φ = 41319936000.

The previous prime is 115222304401. The next prime is 115222304437. The reversal of 115222304428 is 824403222511.

It is a junction number, because it is equal to n+sod(n) for n = 115222304393 and 115222304402.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67420038 + ... + 67421746.

It is an arithmetic number, because the mean of its divisors is an integer number (1417726800).

Almost surely, 2^115222304428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115222304428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136101772800).

115222304428 is an abundant number, since it is smaller than the sum of its proper divisors (156981241172).

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

115222304428 is a wasteful number, since it uses less digits than its factorization.

115222304428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 115222304428 its reverse (824403222511), we get a palindrome (939625526939).

The spelling of 115222304428 in words is "one hundred fifteen billion, two hundred twenty-two million, three hundred four thousand, four hundred twenty-eight".