222036312 has 32 divisors (see below), whose sum is σ = 562913280. Its totient is φ = 72969120.

The previous prime is 222036307. The next prime is 222036313. The reversal of 222036312 is 213630222.

It is a super-2 number, since 2×222036312² = 98600247693122688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222036313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63448 + ... + 66855.

It is an arithmetic number, because the mean of its divisors is an integer number (17591040).

Almost surely, 2^222036312 is an apocalyptic number.

It is an amenable number.

222036312 is an abundant number, since it is smaller than the sum of its proper divisors (340876968).

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

222036312 is a wasteful number, since it uses less digits than its factorization.

222036312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130383 (or 130379 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 222036312 is about 14900.8829268604. The cubic root of 222036312 is about 605.5379065055.

Adding to 222036312 its reverse (213630222), we get a palindrome (435666534).

The spelling of 222036312 in words is "two hundred twenty-two million, thirty-six thousand, three hundred twelve".