222001403212 has 12 divisors (see below), whose sum is σ = 388506002080. Its totient is φ = 110999688336.

The previous prime is 222001403203. The next prime is 222001403219. The reversal of 222001403212 is 212304100222.

It is a self number, because there is not a number n which added to its sum of digits gives 222001403212.

It is not an unprimeable number, because it can be changed into a prime (222001403219) 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, 467614 + ... + 814042.

Almost surely, 2^222001403212 is an apocalyptic number.

It is an amenable number.

222001403212 is a deficient number, since it is larger than the sum of its proper divisors (166504598868).

222001403212 is a wasteful number, since it uses less digits than its factorization.

222001403212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506640 (or 506638 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222001403212 its reverse (212304100222), we get a palindrome (434305503434).

The spelling of 222001403212 in words is "two hundred twenty-two billion, one million, four hundred three thousand, two hundred twelve".