222244423 has 16 divisors (see below), whose sum is σ = 237422016. Its totient is φ = 207567360.

The previous prime is 222244403. The next prime is 222244433. The reversal of 222244423 is 324442222.

It is a cyclic number.

It is not a de Polignac number, because 222244423 - 2²¹ = 220147271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222244403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410533 + ... + 411073.

It is an arithmetic number, because the mean of its divisors is an integer number (14838876).

Almost surely, 2^222244423 is an apocalyptic number.

222244423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222244423 is a deficient number, since it is larger than the sum of its proper divisors (15177593).

222244423 is a wasteful number, since it uses less digits than its factorization.

222244423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its digits is 6144, while the sum is 25.

The square root of 222244423 is about 14907.8644681255. The cubic root of 222244423 is about 605.7270343509.

Adding to 222244423 its reverse (324442222), we get a palindrome (546686645).

The spelling of 222244423 in words is "two hundred twenty-two million, two hundred forty-four thousand, four hundred twenty-three".