242437225 has 12 divisors (see below), whose sum is σ = 307614736. Its totient is φ = 189438480.

The previous prime is 242437213. The next prime is 242437229. The reversal of 242437225 is 522734242.

It is not a de Polignac number, because 242437225 - 2¹¹ = 242435177 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242437229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111687 + ... + 113836.

Almost surely, 2^242437225 is an apocalyptic number.

242437225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242437225 is a deficient number, since it is larger than the sum of its proper divisors (65177511).

242437225 is a wasteful number, since it uses less digits than its factorization.

242437225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225576 (or 225571 counting only the distinct ones).

The product of its digits is 26880, while the sum is 31.

The square root of 242437225 is about 15570.3957881616. The cubic root of 242437225 is about 623.5430382591.

The spelling of 242437225 in words is "two hundred forty-two million, four hundred thirty-seven thousand, two hundred twenty-five".