222244326 has 12 divisors (see below), whose sum is σ = 481529412. Its totient is φ = 74081436.

The previous prime is 222244307. The next prime is 222244343. The reversal of 222244326 is 623442222.

It is a happy number.

222244326 is a `hidden beast` number, since 2 + 2 + 224 + 432 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 222244326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6173436 + ... + 6173471.

It is an arithmetic number, because the mean of its divisors is an integer number (40127451).

Almost surely, 2^222244326 is an apocalyptic number.

222244326 is an abundant number, since it is smaller than the sum of its proper divisors (259285086).

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

222244326 is a wasteful number, since it uses less digits than its factorization.

222244326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12346915 (or 12346912 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 222244326 is about 14907.8612148088. The cubic root of 222244326 is about 605.7269462265.

Adding to 222244326 its reverse (623442222), we get a palindrome (845686548).

The spelling of 222244326 in words is "two hundred twenty-two million, two hundred forty-four thousand, three hundred twenty-six".