222342742 has 8 divisors (see below), whose sum is σ = 333853632. Its totient is φ = 111058200.

The previous prime is 222342733. The next prime is 222342749. The reversal of 222342742 is 247243222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222342742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222342749) 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, 54109 + ... + 58072.

It is an arithmetic number, because the mean of its divisors is an integer number (41731704).

Almost surely, 2^222342742 is an apocalyptic number.

222342742 is a deficient number, since it is larger than the sum of its proper divisors (111510890).

222342742 is a wasteful number, since it uses less digits than its factorization.

222342742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113174.

The product of its digits is 10752, while the sum is 28.

The square root of 222342742 is about 14911.1616583015. The cubic root of 222342742 is about 605.8163439731.

Adding to 222342742 its reverse (247243222), we get a palindrome (469585964).

It can be divided in two parts, 22234 and 2742, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 222342742 in words is "two hundred twenty-two million, three hundred forty-two thousand, seven hundred forty-two".