222045212 has 6 divisors (see below), whose sum is σ = 388579128. Its totient is φ = 111022604.

The previous prime is 222045209. The next prime is 222045227. The reversal of 222045212 is 212540222.

222045212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755648 + ... + 27755655.

It is an arithmetic number, because the mean of its divisors is an integer number (64763188).

Almost surely, 2^222045212 is an apocalyptic number.

It is an amenable number.

222045212 is a deficient number, since it is larger than the sum of its proper divisors (166533916).

222045212 is a wasteful number, since it uses less digits than its factorization.

222045212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55511307 (or 55511305 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 222045212 is about 14901.1815638895. The cubic root of 222045212 is about 605.5459970971.

Adding to 222045212 its reverse (212540222), we get a palindrome (434585434).

The spelling of 222045212 in words is "two hundred twenty-two million, forty-five thousand, two hundred twelve".