222332142 has 8 divisors (see below), whose sum is σ = 444664296. Its totient is φ = 74110712.

The previous prime is 222332113. The next prime is 222332179. The reversal of 222332142 is 241233222.

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

222332142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18527673 + ... + 18527684.

It is an arithmetic number, because the mean of its divisors is an integer number (55583037).

Almost surely, 2^222332142 is an apocalyptic number.

222332142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222332142 is a wasteful number, since it uses less digits than its factorization.

222332142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37055362.

The product of its digits is 1152, while the sum is 21.

The square root of 222332142 is about 14910.8062156276. The cubic root of 222332142 is about 605.8067165615.

Adding to 222332142 its reverse (241233222), we get a palindrome (463565364).

The spelling of 222332142 in words is "two hundred twenty-two million, three hundred thirty-two thousand, one hundred forty-two".