222321221330 has 32 divisors (see below), whose sum is σ = 431293739184. Its totient is φ = 82024482816.

The previous prime is 222321221293. The next prime is 222321221341. The reversal of 222321221330 is 33122123222.

222321221330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 150281050921 + 72040170409 = 387661^2 + 268403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222321221296 and 222321221305.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 490667 + ... + 827886.

Almost surely, 2^222321221330 is an apocalyptic number.

222321221330 is a deficient number, since it is larger than the sum of its proper divisors (208972517854).

222321221330 is a wasteful number, since it uses less digits than its factorization.

222321221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319870.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 222321221330 its reverse (33122123222), we get a palindrome (255443344552).

The spelling of 222321221330 in words is "two hundred twenty-two billion, three hundred twenty-one million, two hundred twenty-one thousand, three hundred thirty".