113221650 has 24 divisors (see below), whose sum is σ = 280790064. Its totient is φ = 30192400.

The previous prime is 113221639. The next prime is 113221651. The reversal of 113221650 is 56122311.

It is not an unprimeable number, because it can be changed into a prime (113221651) 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 11 ways as a sum of consecutive naturals, for example, 377256 + ... + 377555.

It is an arithmetic number, because the mean of its divisors is an integer number (11699586).

Almost surely, 2^113221650 is an apocalyptic number.

113221650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113221650 is an abundant number, since it is smaller than the sum of its proper divisors (167568414).

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

113221650 is a wasteful number, since it uses less digits than its factorization.

113221650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754826 (or 754821 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 113221650 is about 10640.5662443312. The cubic root of 113221650 is about 483.7747084576.

Adding to 113221650 its reverse (56122311), we get a palindrome (169343961).

The spelling of 113221650 in words is "one hundred thirteen million, two hundred twenty-one thousand, six hundred fifty".