242236305 has 16 divisors (see below), whose sum is σ = 430642560. Its totient is φ = 129192624.

The previous prime is 242236283. The next prime is 242236321. The reversal of 242236305 is 503632242.

242236305 is a `hidden beast` number, since 2 + 4 + 2 + 23 + 630 + 5 = 666.

242236305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242236305 - 2⁷ = 242236177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897037 + ... + 897306.

It is an arithmetic number, because the mean of its divisors is an integer number (26915160).

Almost surely, 2^242236305 is an apocalyptic number.

It is an amenable number.

242236305 is a deficient number, since it is larger than the sum of its proper divisors (188406255).

242236305 is a wasteful number, since it uses less digits than its factorization.

242236305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794357 (or 1794351 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 242236305 is about 15563.9424632707. The cubic root of 242236305 is about 623.3707367593.

Adding to 242236305 its reverse (503632242), we get a palindrome (745868547).

The spelling of 242236305 in words is "two hundred forty-two million, two hundred thirty-six thousand, three hundred five".