221300204 has 12 divisors (see below), whose sum is σ = 404113584. Its totient is φ = 105839184.

The previous prime is 221300171. The next prime is 221300213. The reversal of 221300204 is 402003122.

221300204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202627 + ... + 1202810.

It is an arithmetic number, because the mean of its divisors is an integer number (33676132).

Almost surely, 2^221300204 is an apocalyptic number.

It is an amenable number.

221300204 is a deficient number, since it is larger than the sum of its proper divisors (182813380).

221300204 is a wasteful number, since it uses less digits than its factorization.

221300204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405464 (or 2405462 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 221300204 is about 14876.1622739200. The cubic root of 221300204 is about 604.8679938755.

Adding to 221300204 its reverse (402003122), we get a palindrome (623303326).

The spelling of 221300204 in words is "two hundred twenty-one million, three hundred thousand, two hundred four".