222044402 has 8 divisors (see below), whose sum is σ = 334363356. Its totient is φ = 110589952.

The previous prime is 222044353. The next prime is 222044423. The reversal of 222044402 is 204440222.

222044402 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 152004241 + 70040161 = 12329^2 + 8369^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215483 + ... + 216510.

Almost surely, 2^222044402 is an apocalyptic number.

222044402 is a deficient number, since it is larger than the sum of its proper divisors (112318954).

222044402 is a wasteful number, since it uses less digits than its factorization.

222044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432252.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 222044402 is about 14901.1543848119. The cubic root of 222044402 is about 605.5452607713.

Adding to 222044402 its reverse (204440222), we get a palindrome (426484624).

The spelling of 222044402 in words is "two hundred twenty-two million, forty-four thousand, four hundred two".