222101042 has 8 divisors (see below), whose sum is σ = 333587100. Its totient is φ = 110905344.

The previous prime is 222101023. The next prime is 222101057. The reversal of 222101042 is 240101222.

222101042 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 198781801 + 23319241 = 14099^2 + 4829^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70667 + ... + 73742.

Almost surely, 2^222101042 is an apocalyptic number.

222101042 is a deficient number, since it is larger than the sum of its proper divisors (111486058).

222101042 is a wasteful number, since it uses less digits than its factorization.

222101042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145180.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 222101042 is about 14903.0547875259. The cubic root of 222101042 is about 605.5967447199.

Adding to 222101042 its reverse (240101222), we get a palindrome (462202264).

The spelling of 222101042 in words is "two hundred twenty-two million, one hundred one thousand, forty-two".