221330044300 has 36 divisors (see below), whose sum is σ = 505564421320. Its totient is φ = 83872437120.

The previous prime is 221330044289. The next prime is 221330044321. The reversal of 221330044300 is 3440033122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58242849 + ... + 58246648.

Almost surely, 2^221330044300 is an apocalyptic number.

221330044300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221330044300 is an abundant number, since it is smaller than the sum of its proper divisors (284234377020).

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

221330044300 is a wasteful number, since it uses less digits than its factorization.

221330044300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116489530 (or 116489523 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221330044300 its reverse (3440033122), we get a palindrome (224770077422).

The spelling of 221330044300 in words is "two hundred twenty-one billion, three hundred thirty million, forty-four thousand, three hundred".