242522250 has 64 divisors (see below), whose sum is σ = 608864256. Its totient is φ = 64296000.

The previous prime is 242522237. The next prime is 242522261. The reversal of 242522250 is 52225242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242522250.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 142404 + ... + 144096.

It is an arithmetic number, because the mean of its divisors is an integer number (9513504).

Almost surely, 2^242522250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242522250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304432128).

242522250 is an abundant number, since it is smaller than the sum of its proper divisors (366342006).

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

242522250 is a wasteful number, since it uses less digits than its factorization.

242522250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 242522250 is about 15573.1258904563. The cubic root of 242522250 is about 623.6159238624.

Adding to 242522250 its reverse (52225242), we get a palindrome (294747492).

The spelling of 242522250 in words is "two hundred forty-two million, five hundred twenty-two thousand, two hundred fifty".