222304442 has 4 divisors (see below), whose sum is σ = 333456666. Its totient is φ = 111152220.

The previous prime is 222304421. The next prime is 222304447. The reversal of 222304442 is 244403222.

222304442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 184715281 + 37589161 = 13591^2 + 6131^2 .

It is not an unprimeable number, because it can be changed into a prime (222304447) 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 as a sum of consecutive naturals, namely, 55576109 + ... + 55576112.

Almost surely, 2^222304442 is an apocalyptic number.

222304442 is a deficient number, since it is larger than the sum of its proper divisors (111152224).

222304442 is a wasteful number, since it uses less digits than its factorization.

222304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111152223.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 222304442 is about 14909.8773301459. The cubic root of 222304442 is about 605.7815566920.

Adding to 222304442 its reverse (244403222), we get a palindrome (466707664).

The spelling of 222304442 in words is "two hundred twenty-two million, three hundred four thousand, four hundred forty-two".