222320034221 has 4 divisors (see below), whose sum is σ = 223274197692. Its totient is φ = 221365870752.

The previous prime is 222320034191. The next prime is 222320034247. The reversal of 222320034221 is 122430023222.

222320034221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156534966025 + 65785068196 = 395645^2 + 256486^2 .

It is a cyclic number.

It is not a de Polignac number, because 222320034221 - 2¹⁰ = 222320033197 is a prime.

It is a super-2 number, since 2×222320034221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222320031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477081386 + ... + 477081851.

It is an arithmetic number, because the mean of its divisors is an integer number (55818549423).

Almost surely, 2^222320034221 is an apocalyptic number.

It is an amenable number.

222320034221 is a deficient number, since it is larger than the sum of its proper divisors (954163471).

222320034221 is an equidigital number, since it uses as much as digits as its factorization.

222320034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954163470.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 222320034221 its reverse (122430023222), we get a palindrome (344750057443).

The spelling of 222320034221 in words is "two hundred twenty-two billion, three hundred twenty million, thirty-four thousand, two hundred twenty-one".