221434444204 has 12 divisors (see below), whose sum is σ = 387531944800. Its totient is φ = 110711031408.

The previous prime is 221434444199. The next prime is 221434444237. The reversal of 221434444204 is 402444434122.

221434444204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221434444204.

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, 1466724 + ... + 1610635.

Almost surely, 2^221434444204 is an apocalyptic number.

It is an amenable number.

221434444204 is a deficient number, since it is larger than the sum of its proper divisors (166097500596).

221434444204 is a wasteful number, since it uses less digits than its factorization.

221434444204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095352 (or 3095350 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 221434444204 its reverse (402444434122), we get a palindrome (623878878326).

The spelling of 221434444204 in words is "two hundred twenty-one billion, four hundred thirty-four million, four hundred forty-four thousand, two hundred four".