222312031322 has 8 divisors (see below), whose sum is σ = 333486283572. Its totient is φ = 111149936800.

The previous prime is 222312031297. The next prime is 222312031349. The reversal of 222312031322 is 223130213222.

It can be written as a sum of positive squares in 2 ways, for example, as 179859961801 + 42452069521 = 424099^2 + 206039^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2993579 + ... + 3066942.

Almost surely, 2^222312031322 is an apocalyptic number.

222312031322 is a deficient number, since it is larger than the sum of its proper divisors (111174252250).

222312031322 is a wasteful number, since it uses less digits than its factorization.

222312031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078864.

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

Adding to 222312031322 its reverse (223130213222), we get a palindrome (445442244544).

The spelling of 222312031322 in words is "two hundred twenty-two billion, three hundred twelve million, thirty-one thousand, three hundred twenty-two".