222386212 has 12 divisors (see below), whose sum is σ = 390691980. Its totient is φ = 110759936.

The previous prime is 222386207. The next prime is 222386257. The reversal of 222386212 is 212683222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198415396 + 23970816 = 14086^2 + 4896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107137 + ... + 109192.

It is an arithmetic number, because the mean of its divisors is an integer number (32557665).

Almost surely, 2^222386212 is an apocalyptic number.

It is an amenable number.

222386212 is a deficient number, since it is larger than the sum of its proper divisors (168305768).

222386212 is a wasteful number, since it uses less digits than its factorization.

222386212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216590 (or 216588 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 222386212 is about 14912.6192199761. The cubic root of 222386212 is about 605.8558222431.

The spelling of 222386212 in words is "two hundred twenty-two million, three hundred eighty-six thousand, two hundred twelve".