242531322 has 32 divisors (see below), whose sum is σ = 534029760. Its totient is φ = 72817920.

The previous prime is 242531293. The next prime is 242531329. The reversal of 242531322 is 223135242.

It is a junction number, because it is equal to n+sod(n) for n = 242531292 and 242531301.

It is not an unprimeable number, because it can be changed into a prime (242531329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9663 + ... + 24050.

It is an arithmetic number, because the mean of its divisors is an integer number (16688430).

Almost surely, 2^242531322 is an apocalyptic number.

242531322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242531322 is an abundant number, since it is smaller than the sum of its proper divisors (291498438).

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

242531322 is a wasteful number, since it uses less digits than its factorization.

242531322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33838.

The product of its digits is 2880, while the sum is 24.

The square root of 242531322 is about 15573.4171587356. The cubic root of 242531322 is about 623.6236996069.

Adding to 242531322 its reverse (223135242), we get a palindrome (465666564).

The spelling of 242531322 in words is "two hundred forty-two million, five hundred thirty-one thousand, three hundred twenty-two".