242448225 has 12 divisors (see below), whose sum is σ = 400847856. Its totient is φ = 129305680.

The previous prime is 242448223. The next prime is 242448251. The reversal of 242448225 is 522844242.

It is not a de Polignac number, because 242448225 - 2¹ = 242448223 is a prime.

It is a super-2 number, since 2×242448225² = 117562283611301250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242448223) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1616247 + ... + 1616396.

It is an arithmetic number, because the mean of its divisors is an integer number (33403988).

Almost surely, 2^242448225 is an apocalyptic number.

242448225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242448225 is a deficient number, since it is larger than the sum of its proper divisors (158399631).

242448225 is a wasteful number, since it uses less digits than its factorization.

242448225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232656 (or 3232651 counting only the distinct ones).

The product of its digits is 40960, while the sum is 33.

The square root of 242448225 is about 15570.7490185925. The cubic root of 242448225 is about 623.5524686999.

The spelling of 242448225 in words is "two hundred forty-two million, four hundred forty-eight thousand, two hundred twenty-five".