222213334212 has 72 divisors (see below), whose sum is σ = 565409511576. Its totient is φ = 73584336384.

The previous prime is 222213334171. The next prime is 222213334249. The reversal of 222213334212 is 212433312222.

222213334212 is a `hidden beast` number, since 2 + 22 + 213 + 3 + 3 + 421 + 2 = 666.

222213334212 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 11747091456 + 210466242756 = 108384^2 + 458766^2 .

It is a super-2 number, since 2×222213334212² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 3310488 + ... + 3376944.

It is an arithmetic number, because the mean of its divisors is an integer number (7852909883).

Almost surely, 2^222213334212 is an apocalyptic number.

It is an amenable number.

222213334212 is an abundant number, since it is smaller than the sum of its proper divisors (343196177364).

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

222213334212 is a wasteful number, since it uses less digits than its factorization.

222213334212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67077 (or 67072 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 222213334212 its reverse (212433312222), we get a palindrome (434646646434).

The spelling of 222213334212 in words is "two hundred twenty-two billion, two hundred thirteen million, three hundred thirty-four thousand, two hundred twelve".