242209072 has 20 divisors (see below), whose sum is σ = 536320336. Its totient is φ = 103803840.

The previous prime is 242209063. The next prime is 242209117. The reversal of 242209072 is 270902242.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 242209072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081179 + ... + 1081402.

Almost surely, 2^242209072 is an apocalyptic number.

It is an amenable number.

242209072 is an abundant number, since it is smaller than the sum of its proper divisors (294111264).

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

242209072 is a wasteful number, since it uses less digits than its factorization.

242209072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162596 (or 2162590 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 242209072 is about 15563.0675639477. The cubic root of 242209072 is about 623.3473754228.

The spelling of 242209072 in words is "two hundred forty-two million, two hundred nine thousand, seventy-two".