222210312 has 32 divisors (see below), whose sum is σ = 564636480. Its totient is φ = 72855360.

The previous prime is 222210311. The next prime is 222210341. The reversal of 222210312 is 213012222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222210291 and 222210300.

It is not an unprimeable number, because it can be changed into a prime (222210311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74428 + ... + 77355.

It is an arithmetic number, because the mean of its divisors is an integer number (17644890).

Almost surely, 2^222210312 is an apocalyptic number.

It is an amenable number.

222210312 is an abundant number, since it is smaller than the sum of its proper divisors (342426168).

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

222210312 is a wasteful number, since it uses less digits than its factorization.

222210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151853 (or 151849 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222210312 is about 14906.7203636481. The cubic root of 222210312 is about 605.6960429290.

Adding to 222210312 its reverse (213012222), we get a palindrome (435222534).

The spelling of 222210312 in words is "two hundred twenty-two million, two hundred ten thousand, three hundred twelve".