225240946 has 12 divisors (see below), whose sum is σ = 393022638. Its totient is φ = 96531792.

The previous prime is 225240943. The next prime is 225240997. The reversal of 225240946 is 649042522.

It can be written as a sum of positive squares in only one way, i.e., 114254721 + 110986225 = 10689^2 + 10535^2 .

It is not an unprimeable number, because it can be changed into a prime (225240943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1149091 + ... + 1149286.

Almost surely, 2^225240946 is an apocalyptic number.

225240946 is a deficient number, since it is larger than the sum of its proper divisors (167781692).

225240946 is a wasteful number, since it uses less digits than its factorization.

225240946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298393 (or 2298386 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 225240946 is about 15008.0293842996. The cubic root of 225240946 is about 608.4372305853.

The spelling of 225240946 in words is "two hundred twenty-five million, two hundred forty thousand, nine hundred forty-six".