115224444 has 60 divisors (see below), whose sum is σ = 302379000. Its totient is φ = 38260512.

The previous prime is 115224437. The next prime is 115224451. The reversal of 115224444 is 444422511.

It is an interprime number because it is at equal distance from previous prime (115224437) and next prime (115224451).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112567 + ... + 113585.

It is an arithmetic number, because the mean of its divisors is an integer number (5039650).

Almost surely, 2^115224444 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 115224444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151189500).

115224444 is an abundant number, since it is smaller than the sum of its proper divisors (187154556).

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

115224444 is a wasteful number, since it uses less digits than its factorization.

115224444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1373 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 115224444 is about 10734.2649492175. The cubic root of 115224444 is about 486.6105723383.

Adding to 115224444 its reverse (444422511), we get a palindrome (559646955).

The spelling of 115224444 in words is "one hundred fifteen million, two hundred twenty-four thousand, four hundred forty-four".