242704220 has 36 divisors (see below), whose sum is σ = 560231112. Its totient is φ = 88255200.

The previous prime is 242704213. The next prime is 242704247. The reversal of 242704220 is 22407242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 47726 + ... + 52565.

Almost surely, 2^242704220 is an apocalyptic number.

242704220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242704220 is an abundant number, since it is smaller than the sum of its proper divisors (317526892).

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

242704220 is a wasteful number, since it uses less digits than its factorization.

242704220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100322 (or 100309 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 242704220 is about 15578.9672314952. The cubic root of 242704220 is about 623.7718559737.

The spelling of 242704220 in words is "two hundred forty-two million, seven hundred four thousand, two hundred twenty".