222342242 has 16 divisors (see below), whose sum is σ = 355421952. Its totient is φ = 104074080.

The previous prime is 222342229. The next prime is 222342257. The reversal of 222342242 is 242243222.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49259 + ... + 53582.

It is an arithmetic number, because the mean of its divisors is an integer number (22213872).

Almost surely, 2^222342242 is an apocalyptic number.

222342242 is a deficient number, since it is larger than the sum of its proper divisors (133079710).

222342242 is a wasteful number, since it uses less digits than its factorization.

222342242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102913.

The product of its digits is 3072, while the sum is 23.

The square root of 222342242 is about 14911.1448923280. The cubic root of 222342242 is about 605.8158898568.

Adding to 222342242 its reverse (242243222), we get a palindrome (464585464).

The spelling of 222342242 in words is "two hundred twenty-two million, three hundred forty-two thousand, two hundred forty-two".