223344442 has 8 divisors (see below), whose sum is σ = 335080116. Its totient is φ = 111651072.

The previous prime is 223344439. The next prime is 223344461. The reversal of 223344442 is 244443322.

It is a happy number.

223344442 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 2 ways, for example, as 220552201 + 2792241 = 14851^2 + 1671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 223344442.

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 3 ways as a sum of consecutive naturals, for example, 14868 + ... + 25840.

Almost surely, 2^223344442 is an apocalyptic number.

223344442 is a deficient number, since it is larger than the sum of its proper divisors (111735674).

223344442 is a wasteful number, since it uses less digits than its factorization.

223344442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21152.

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

The square root of 223344442 is about 14944.7128443473. The cubic root of 223344442 is about 606.7247570802.

Adding to 223344442 its reverse (244443322), we get a palindrome (467787764).

The spelling of 223344442 in words is "two hundred twenty-three million, three hundred forty-four thousand, four hundred forty-two".