221300221324 has 48 divisors (see below), whose sum is σ = 476848519168. Its totient is φ = 87510259008.

The previous prime is 221300221321. The next prime is 221300221333. The reversal of 221300221324 is 423122003122.

It is a junction number, because it is equal to n+sod(n) for n = 221300221295 and 221300221304.

It is not an unprimeable number, because it can be changed into a prime (221300221321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 739849 + ... + 994975.

Almost surely, 2^221300221324 is an apocalyptic number.

It is an amenable number.

221300221324 is an abundant number, since it is smaller than the sum of its proper divisors (255548297844).

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

221300221324 is a wasteful number, since it uses less digits than its factorization.

221300221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257534 (or 257532 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 221300221324 its reverse (423122003122), we get a palindrome (644422224446).

The spelling of 221300221324 in words is "two hundred twenty-one billion, three hundred million, two hundred twenty-one thousand, three hundred twenty-four".