222530342 has 8 divisors (see below), whose sum is σ = 333860016. Its totient is φ = 111243672.

The previous prime is 222530317. The next prime is 222530377. The reversal of 222530342 is 243035222.

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

It is a super-2 number, since 2×222530342² = 99039506221273928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 10943 + ... + 23765.

It is an arithmetic number, because the mean of its divisors is an integer number (41732502).

Almost surely, 2^222530342 is an apocalyptic number.

222530342 is a deficient number, since it is larger than the sum of its proper divisors (111329674).

222530342 is a wasteful number, since it uses less digits than its factorization.

222530342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21502.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 222530342 is about 14917.4509216555. The cubic root of 222530342 is about 605.9866803885.

Adding to 222530342 its reverse (243035222), we get a palindrome (465565564).

The spelling of 222530342 in words is "two hundred twenty-two million, five hundred thirty thousand, three hundred forty-two".