242242280 has 48 divisors (see below), whose sum is σ = 634037220. Its totient is φ = 83053824.

The previous prime is 242242243. The next prime is 242242291. The reversal of 242242280 is 82242242.

It can be written as a sum of positive squares in 2 ways, for example, as 238455364 + 3786916 = 15442^2 + 1946^2 .

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 11 ways as a sum of consecutive naturals, for example, 59837 + ... + 63756.

Almost surely, 2^242242280 is an apocalyptic number.

242242280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242242280 is an abundant number, since it is smaller than the sum of its proper divisors (391794940).

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

242242280 is a wasteful number, since it uses less digits than its factorization.

242242280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123618 (or 123607 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 242242280 is about 15564.1344121670. The cubic root of 242242280 is about 623.3758620708.

The spelling of 242242280 in words is "two hundred forty-two million, two hundred forty-two thousand, two hundred eighty".