242045225 has 6 divisors (see below), whose sum is σ = 300136110. Its totient is φ = 193636160.

The previous prime is 242045213. The next prime is 242045227. The reversal of 242045225 is 522540242.

242045225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 17884441 + 224160784 = 4229^2 + 14972^2 .

It is not a de Polignac number, because 242045225 - 2⁸ = 242044969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242045194 and 242045203.

It is not an unprimeable number, because it can be changed into a prime (242045227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4840880 + ... + 4840929.

It is an arithmetic number, because the mean of its divisors is an integer number (50022685).

Almost surely, 2^242045225 is an apocalyptic number.

242045225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242045225 is a deficient number, since it is larger than the sum of its proper divisors (58090885).

242045225 is an equidigital number, since it uses as much as digits as its factorization.

242045225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681819 (or 9681814 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 242045225 is about 15557.8027047524. The cubic root of 242045225 is about 623.2067852634.

Adding to 242045225 its reverse (522540242), we get a palindrome (764585467).

The spelling of 242045225 in words is "two hundred forty-two million, forty-five thousand, two hundred twenty-five".