222443432 has 8 divisors (see below), whose sum is σ = 417081450. Its totient is φ = 111221712.

The previous prime is 222443401. The next prime is 222443437. The reversal of 222443432 is 234344222.

It is a happy number.

222443432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 112487236 + 109956196 = 10606^2 + 10486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (222443437) 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 as a sum of consecutive naturals, namely, 13902707 + ... + 13902722.

Almost surely, 2^222443432 is an apocalyptic number.

It is an amenable number.

222443432 is a deficient number, since it is larger than the sum of its proper divisors (194638018).

222443432 is a wasteful number, since it uses less digits than its factorization.

222443432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805435 (or 27805431 counting only the distinct ones).

The product of its digits is 9216, while the sum is 26.

The square root of 222443432 is about 14914.5376059736. The cubic root of 222443432 is about 605.9077800466.

Adding to 222443432 its reverse (234344222), we get a palindrome (456787654).

The spelling of 222443432 in words is "two hundred twenty-two million, four hundred forty-three thousand, four hundred thirty-two".