242472225 has 12 divisors (see below), whose sum is σ = 400887536. Its totient is φ = 129318480.

The previous prime is 242472221. The next prime is 242472229. The reversal of 242472225 is 522274242.

It is an interprime number because it is at equal distance from previous prime (242472221) and next prime (242472229).

It is not a de Polignac number, because 242472225 - 2² = 242472221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242472192 and 242472201.

It is not an unprimeable number, because it can be changed into a prime (242472221) 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, 1616407 + ... + 1616556.

Almost surely, 2^242472225 is an apocalyptic number.

242472225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242472225 is a deficient number, since it is larger than the sum of its proper divisors (158415311).

242472225 is a wasteful number, since it uses less digits than its factorization.

242472225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232976 (or 3232971 counting only the distinct ones).

The product of its digits is 17920, while the sum is 30.

The square root of 242472225 is about 15571.5196753560. The cubic root of 242472225 is about 623.5730432170.

The spelling of 242472225 in words is "two hundred forty-two million, four hundred seventy-two thousand, two hundred twenty-five".