222304403221 has 8 divisors (see below), whose sum is σ = 223162539264. Its totient is φ = 221446545840.

The previous prime is 222304403179. The next prime is 222304403257. The reversal of 222304403221 is 122304403222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222304403221 - 2¹¹ = 222304401173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222304403261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606440 + ... + 1739326.

It is an arithmetic number, because the mean of its divisors is an integer number (27895317408).

Almost surely, 2^222304403221 is an apocalyptic number.

It is an amenable number.

222304403221 is a deficient number, since it is larger than the sum of its proper divisors (858136043).

222304403221 is a wasteful number, since it uses less digits than its factorization.

222304403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139331.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 222304403221 its reverse (122304403222), we get a palindrome (344608806443).

Subtracting from 222304403221 its reverse (122304403222), we obtain a palindrome (99999999999).

The spelling of 222304403221 in words is "two hundred twenty-two billion, three hundred four million, four hundred three thousand, two hundred twenty-one".