242554225 has 12 divisors (see below), whose sum is σ = 301191040. Its totient is φ = 193770000.

The previous prime is 242554189. The next prime is 242554241. The reversal of 242554225 is 522455242.

It is not a de Polignac number, because 242554225 - 2¹⁹ = 242029937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12316 + ... + 25234.

Almost surely, 2^242554225 is an apocalyptic number.

242554225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242554225 is a deficient number, since it is larger than the sum of its proper divisors (58636815).

242554225 is a wasteful number, since it uses less digits than its factorization.

242554225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13680 (or 13675 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 242554225 is about 15574.1524649016. The cubic root of 242554225 is about 623.6433292419.

The spelling of 242554225 in words is "two hundred forty-two million, five hundred fifty-four thousand, two hundred twenty-five".