223330211221 has 16 divisors (see below), whose sum is σ = 243849312000. Its totient is φ = 203294564928.

The previous prime is 223330211219. The next prime is 223330211261. The reversal of 223330211221 is 122112033322.

It is not a de Polignac number, because 223330211221 - 2¹ = 223330211219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223330211192 and 223330211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223330211201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717855 + ... + 980803.

It is an arithmetic number, because the mean of its divisors is an integer number (15240582000).

Almost surely, 2^223330211221 is an apocalyptic number.

It is an amenable number.

223330211221 is a deficient number, since it is larger than the sum of its proper divisors (20519100779).

223330211221 is a wasteful number, since it uses less digits than its factorization.

223330211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263868.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223330211221 its reverse (122112033322), we get a palindrome (345442244543).

The spelling of 223330211221 in words is "two hundred twenty-three billion, three hundred thirty million, two hundred eleven thousand, two hundred twenty-one".