242243420 has 24 divisors (see below), whose sum is σ = 509082000. Its totient is φ = 96826752.

The previous prime is 242243413. The next prime is 242243437. The reversal of 242243420 is 24342242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30416 + ... + 37544.

It is an arithmetic number, because the mean of its divisors is an integer number (21211750).

Almost surely, 2^242243420 is an apocalyptic number.

242243420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242243420 is an abundant number, since it is smaller than the sum of its proper divisors (266838580).

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

242243420 is a wasteful number, since it uses less digits than its factorization.

242243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837 (or 8835 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 242243420 is about 15564.1710347837. The cubic root of 242243420 is about 623.3768399449.

Adding to 242243420 its reverse (24342242), we get a palindrome (266585662).

The spelling of 242243420 in words is "two hundred forty-two million, two hundred forty-three thousand, four hundred twenty".