222310324212 has 12 divisors (see below), whose sum is σ = 518724089856. Its totient is φ = 74103441400.

The previous prime is 222310324199. The next prime is 222310324213. The reversal of 222310324212 is 212423013222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222310324213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9262930164 + ... + 9262930187.

It is an arithmetic number, because the mean of its divisors is an integer number (43227007488).

Almost surely, 2^222310324212 is an apocalyptic number.

It is an amenable number.

222310324212 is an abundant number, since it is smaller than the sum of its proper divisors (296413765644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222310324212 is a wasteful number, since it uses less digits than its factorization.

222310324212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525860358 (or 18525860356 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222310324212 its reverse (212423013222), we get a palindrome (434733337434).

The spelling of 222310324212 in words is "two hundred twenty-two billion, three hundred ten million, three hundred twenty-four thousand, two hundred twelve".