221300804 has 12 divisors (see below), whose sum is σ = 392179200. Its totient is φ = 109249608.

The previous prime is 221300801. The next prime is 221300819. The reversal of 221300804 is 408003122.

It is not an unprimeable number, because it can be changed into a prime (221300801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349844 + ... + 350475.

It is an arithmetic number, because the mean of its divisors is an integer number (32681600).

Almost surely, 2^221300804 is an apocalyptic number.

It is an amenable number.

221300804 is a deficient number, since it is larger than the sum of its proper divisors (170878396).

221300804 is a wasteful number, since it uses less digits than its factorization.

221300804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700402 (or 700400 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 221300804 is about 14876.1824403978. The cubic root of 221300804 is about 604.8685405243.

Adding to 221300804 its reverse (408003122), we get a palindrome (629303926).

The spelling of 221300804 in words is "two hundred twenty-one million, three hundred thousand, eight hundred four".