223389442 has 16 divisors (see below), whose sum is σ = 342891000. Its totient is φ = 109117440.

The previous prime is 223389433. The next prime is 223389521. The reversal of 223389442 is 244983322.

It can be written as a sum of positive squares in 4 ways, for example, as 120143521 + 103245921 = 10961^2 + 10161^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12034 + ... + 24322.

Almost surely, 2^223389442 is an apocalyptic number.

223389442 is a deficient number, since it is larger than the sum of its proper divisors (119501558).

223389442 is a wasteful number, since it uses less digits than its factorization.

223389442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12501.

The product of its digits is 82944, while the sum is 37.

The square root of 223389442 is about 14946.2183176883. The cubic root of 223389442 is about 606.7655024872.

The spelling of 223389442 in words is "two hundred twenty-three million, three hundred eighty-nine thousand, four hundred forty-two".