242722375 has 32 divisors (see below), whose sum is σ = 351157248. Its totient is φ = 164052000.

The previous prime is 242722369. The next prime is 242722387. The reversal of 242722375 is 573227242.

It is not a de Polignac number, because 242722375 - 2⁹ = 242721863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242722375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60172 + ... + 64078.

It is an arithmetic number, because the mean of its divisors is an integer number (10973664).

Almost surely, 2^242722375 is an apocalyptic number.

242722375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242722375 is a deficient number, since it is larger than the sum of its proper divisors (108434873).

242722375 is an equidigital number, since it uses as much as digits as its factorization.

242722375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000 (or 3990 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 242722375 is about 15579.5498972210. The cubic root of 242722375 is about 623.7874089181.

The spelling of 242722375 in words is "two hundred forty-two million, seven hundred twenty-two thousand, three hundred seventy-five".