222001126 has 8 divisors (see below), whose sum is σ = 333116280. Its totient is φ = 110962368.

The previous prime is 222001121. The next prime is 222001141. The reversal of 222001126 is 621100222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001121) by changing a digit.

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, 11176 + ... + 23851.

It is an arithmetic number, because the mean of its divisors is an integer number (41639535).

Almost surely, 2^222001126 is an apocalyptic number.

222001126 is a deficient number, since it is larger than the sum of its proper divisors (111115154).

222001126 is a wasteful number, since it uses less digits than its factorization.

222001126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38198.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 222001126 is about 14899.7022117893. The cubic root of 222001126 is about 605.5059183709.

Adding to 222001126 its reverse (621100222), we get a palindrome (843101348).

The spelling of 222001126 in words is "two hundred twenty-two million, one thousand, one hundred twenty-six".