222452642 has 8 divisors (see below), whose sum is σ = 348186816. Its totient is φ = 106390372.

The previous prime is 222452641. The next prime is 222452669. The reversal of 222452642 is 246254222.

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

It is not an unprimeable number, because it can be changed into a prime (222452641) by changing a digit.

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, 2417918 + ... + 2418009.

It is an arithmetic number, because the mean of its divisors is an integer number (43523352).

Almost surely, 2^222452642 is an apocalyptic number.

222452642 is a deficient number, since it is larger than the sum of its proper divisors (125734174).

222452642 is a wasteful number, since it uses less digits than its factorization.

222452642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835952.

The product of its digits is 15360, while the sum is 29.

The square root of 222452642 is about 14914.8463619308. The cubic root of 222452642 is about 605.9161422230.

The spelling of 222452642 in words is "two hundred twenty-two million, four hundred fifty-two thousand, six hundred forty-two".