113225550 has 96 divisors (see below), whose sum is σ = 301266432. Its totient is φ = 28068480.

The previous prime is 113225549. The next prime is 113225561. The reversal of 113225550 is 55522311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 113225550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127207 + ... + 128093.

It is an arithmetic number, because the mean of its divisors is an integer number (3138192).

Almost surely, 2^113225550 is an apocalyptic number.

113225550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113225550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150633216).

113225550 is an abundant number, since it is smaller than the sum of its proper divisors (188040882).

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

113225550 is a wasteful number, since it uses less digits than its factorization.

113225550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 113225550 is about 10640.7495036769. The cubic root of 113225550 is about 483.7802630481.

Adding to 113225550 its reverse (55522311), we get a palindrome (168747861).

The spelling of 113225550 in words is "one hundred thirteen million, two hundred twenty-five thousand, five hundred fifty".