242297225 has 12 divisors (see below), whose sum is σ = 301178640. Its totient is φ = 193366800.

The previous prime is 242297221. The next prime is 242297269. The reversal of 242297225 is 522792242.

It is not a de Polignac number, because 242297225 - 2² = 242297221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242297221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1091 + ... + 22040.

It is an arithmetic number, because the mean of its divisors is an integer number (25098220).

Almost surely, 2^242297225 is an apocalyptic number.

242297225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242297225 is a deficient number, since it is larger than the sum of its proper divisors (58881415).

242297225 is a wasteful number, since it uses less digits than its factorization.

242297225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23560 (or 23555 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 242297225 is about 15565.8994279161. The cubic root of 242297225 is about 623.4229895409.

The spelling of 242297225 in words is "two hundred forty-two million, two hundred ninety-seven thousand, two hundred twenty-five".