222231412 has 24 divisors (see below), whose sum is σ = 443459016. Its totient is φ = 96534528.

The previous prime is 222231397. The next prime is 222231433. The reversal of 222231412 is 214132222.

It can be written as a sum of positive squares in 4 ways, for example, as 18198756 + 204032656 = 4266^2 + 14284^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222231412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124813 + ... + 126580.

It is an arithmetic number, because the mean of its divisors is an integer number (18477459).

Almost surely, 2^222231412 is an apocalyptic number.

It is an amenable number.

222231412 is a deficient number, since it is larger than the sum of its proper divisors (221227604).

222231412 is a wasteful number, since it uses less digits than its factorization.

222231412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251427 (or 251425 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 222231412 is about 14907.4280813291. The cubic root of 222231412 is about 605.7152136295.

Adding to 222231412 its reverse (214132222), we get a palindrome (436363634).

The spelling of 222231412 in words is "two hundred twenty-two million, two hundred thirty-one thousand, four hundred twelve".