242000225 has 12 divisors (see below), whose sum is σ = 302274924. Its totient is φ = 192184320.

The previous prime is 242000203. The next prime is 242000267. The reversal of 242000225 is 522000242.

It can be written as a sum of positive squares in 6 ways, for example, as 7573504 + 234426721 = 2752^2 + 15311^2 .

It is not a de Polignac number, because 242000225 - 2¹⁶ = 241934689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31904 + ... + 38753.

It is an arithmetic number, because the mean of its divisors is an integer number (25189577).

Almost surely, 2^242000225 is an apocalyptic number.

242000225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242000225 is a deficient number, since it is larger than the sum of its proper divisors (60274699).

242000225 is a wasteful number, since it uses less digits than its factorization.

242000225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70804 (or 70799 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 242000225 is about 15556.3564178763. The cubic root of 242000225 is about 623.1681615675.

Adding to 242000225 its sum of digits (17), we get a palindrome (242000242).

Adding to 242000225 its reverse (522000242), we get a palindrome (764000467).

The spelling of 242000225 in words is "two hundred forty-two million, two hundred twenty-five", and thus it is an aban number.