222321142 has 16 divisors (see below), whose sum is σ = 339133680. Its totient is φ = 109283328.

The previous prime is 222321133. The next prime is 222321157. The reversal of 222321142 is 241123222.

222321142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81334 + ... + 84022.

It is an arithmetic number, because the mean of its divisors is an integer number (21195855).

Almost surely, 2^222321142 is an apocalyptic number.

222321142 is a deficient number, since it is larger than the sum of its proper divisors (116812538).

222321142 is a wasteful number, since it uses less digits than its factorization.

222321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375.

The product of its digits is 384, while the sum is 19.

The square root of 222321142 is about 14910.4373510639. The cubic root of 222321142 is about 605.7967255277.

Adding to 222321142 its reverse (241123222), we get a palindrome (463444364).

The spelling of 222321142 in words is "two hundred twenty-two million, three hundred twenty-one thousand, one hundred forty-two".