222434443 has 32 divisors (see below), whose sum is σ = 295239168. Its totient is φ = 162240000.

The previous prime is 222434423. The next prime is 222434461. The reversal of 222434443 is 344434222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222434443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222434413) 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 31 ways as a sum of consecutive naturals, for example, 328221 + ... + 328897.

It is an arithmetic number, because the mean of its divisors is an integer number (9226224).

Almost surely, 2^222434443 is an apocalyptic number.

222434443 is a deficient number, since it is larger than the sum of its proper divisors (72804725).

222434443 is a wasteful number, since it uses less digits than its factorization.

222434443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its digits is 18432, while the sum is 28.

The square root of 222434443 is about 14914.2362526547. The cubic root of 222434443 is about 605.8996183035.

Adding to 222434443 its reverse (344434222), we get a palindrome (566868665).

The spelling of 222434443 in words is "two hundred twenty-two million, four hundred thirty-four thousand, four hundred forty-three".