242678225 has 12 divisors (see below), whose sum is σ = 301171200. Its totient is φ = 193981200.

The previous prime is 242678201. The next prime is 242678231. The reversal of 242678225 is 522876242.

It is not a de Polignac number, because 242678225 - 2¹⁴ = 242661841 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, 33476 + ... + 40074.

It is an arithmetic number, because the mean of its divisors is an integer number (25097600).

Almost surely, 2^242678225 is an apocalyptic number.

242678225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242678225 is a deficient number, since it is larger than the sum of its proper divisors (58492975).

242678225 is a wasteful number, since it uses less digits than its factorization.

242678225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080 (or 8075 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 242678225 is about 15578.1329112317. The cubic root of 242678225 is about 623.7495853428.

The spelling of 242678225 in words is "two hundred forty-two million, six hundred seventy-eight thousand, two hundred twenty-five".