242136222 has 8 divisors (see below), whose sum is σ = 484272456. Its totient is φ = 80712072.

The previous prime is 242136221. The next prime is 242136227. The reversal of 242136222 is 222631242.

It is a happy number.

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

242136222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 242136192 and 242136201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242136221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20178013 + ... + 20178024.

It is an arithmetic number, because the mean of its divisors is an integer number (60534057).

Almost surely, 2^242136222 is an apocalyptic number.

242136222 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.

242136222 is a wasteful number, since it uses less digits than its factorization.

242136222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40356042.

The product of its digits is 2304, while the sum is 24.

The square root of 242136222 is about 15560.7269110411. The cubic root of 242136222 is about 623.2848737592.

Adding to 242136222 its reverse (222631242), we get a palindrome (464767464).

The spelling of 242136222 in words is "two hundred forty-two million, one hundred thirty-six thousand, two hundred twenty-two".