242022312 has 48 divisors (see below), whose sum is σ = 749118240. Its totient is φ = 69149088.

The previous prime is 242022311. The next prime is 242022343. The reversal of 242022312 is 213220242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (242022311) 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 11 ways as a sum of consecutive naturals, for example, 239598 + ... + 240605.

It is an arithmetic number, because the mean of its divisors is an integer number (15606630).

Almost surely, 2^242022312 is an apocalyptic number.

It is an amenable number.

242022312 is an abundant number, since it is smaller than the sum of its proper divisors (507095928).

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

242022312 is a wasteful number, since it uses less digits than its factorization.

242022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480222 (or 480215 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 242022312 is about 15557.0663044161. The cubic root of 242022312 is about 623.1871195340.

Adding to 242022312 its reverse (213220242), we get a palindrome (455242554).

The spelling of 242022312 in words is "two hundred forty-two million, twenty-two thousand, three hundred twelve".