222321201210 has 48 divisors (see below), whose sum is σ = 578889100296. Its totient is φ = 59198066304.

The previous prime is 222321201197. The next prime is 222321201229. The reversal of 222321201210 is 12102123222.

222321201210 is a `hidden beast` number, since 22 + 232 + 1 + 201 + 210 = 666.

222321201210 is digitally balanced in base 3, 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 4 ways, for example, as 222200047161 + 121154049 = 471381^2 + 11007^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1763469 + ... + 1885328.

Almost surely, 2^222321201210 is an apocalyptic number.

222321201210 is an abundant number, since it is smaller than the sum of its proper divisors (356567899086).

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

222321201210 is a wasteful number, since it uses less digits than its factorization.

222321201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649487 (or 3649484 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222321201210 its reverse (12102123222), we get a palindrome (234423324432).

The spelling of 222321201210 in words is "two hundred twenty-two billion, three hundred twenty-one million, two hundred one thousand, two hundred ten".