222200001212 has 48 divisors (see below), whose sum is σ = 449552678400. Its totient is φ = 94127592000.

The previous prime is 222200001211. The next prime is 222200001217. The reversal of 222200001212 is 212100002222.

It is a super-2 number, since 2×222200001212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200001211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628387 + ... + 1759557.

It is an arithmetic number, because the mean of its divisors is an integer number (9365680800).

Almost surely, 2^222200001212 is an apocalyptic number.

It is an amenable number.

222200001212 is an abundant number, since it is smaller than the sum of its proper divisors (227352677188).

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

222200001212 is a wasteful number, since it uses less digits than its factorization.

222200001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131882 (or 131880 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222200001212 its reverse (212100002222), we get a palindrome (434300003434).

The spelling of 222200001212 in words is "two hundred twenty-two billion, two hundred million, one thousand, two hundred twelve".