222330233021221 has 8 divisors (see below), whose sum is σ = 239432677150464. Its totient is φ = 205227805822320.

The previous prime is 222330233021219. The next prime is 222330233021249. The reversal of 222330233021221 is 122120332033222.

222330233021221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222330233021221 - 2¹ = 222330233021219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222330233021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222330233021021) 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, 40739256 + ... + 45873166.

It is an arithmetic number, because the mean of its divisors is an integer number (29929084643808).

Almost surely, 2^{222330233021221} is an apocalyptic number.

It is an amenable number.

222330233021221 is a deficient number, since it is larger than the sum of its proper divisors (17102444129243).

222330233021221 is a wasteful number, since it uses less digits than its factorization.

222330233021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8465171.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 222330233021221 its reverse (122120332033222), we get a palindrome (344450565054443).

The spelling of 222330233021221 in words is "two hundred twenty-two trillion, three hundred thirty billion, two hundred thirty-three million, twenty-one thousand, two hundred twenty-one".