222321312032212 has 6 divisors (see below), whose sum is σ = 389062296056378. Its totient is φ = 111160656016104.

The previous prime is 222321312032191. The next prime is 222321312032251. The reversal of 222321312032212 is 212230213123222.

222321312032212 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 only one way, i.e., 192726471699216 + 29594840332996 = 13882596^2 + 5440114^2 .

It is a super-2 number, since 2×222321312032212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27790164004023 + ... + 27790164004030.

Almost surely, 2^{222321312032212} is an apocalyptic number.

It is an amenable number.

222321312032212 is a deficient number, since it is larger than the sum of its proper divisors (166740984024166).

222321312032212 is a wasteful number, since it uses less digits than its factorization.

222321312032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55580328008057 (or 55580328008055 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 222321312032212 its reverse (212230213123222), we get a palindrome (434551525155434).

The spelling of 222321312032212 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, three hundred twelve million, thirty-two thousand, two hundred twelve".