225395946 has 40 divisors (see below), whose sum is σ = 522480420. Its totient is φ = 72539712.

The previous prime is 225395941. The next prime is 225395959. The reversal of 225395946 is 649593522.

225395946 is a `hidden beast` number, since 2 + 2 + 53 + 9 + 594 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 193349025 + 32046921 = 13905^2 + 5661^2 .

It is not an unprimeable number, because it can be changed into a prime (225395941) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19291 + ... + 28686.

Almost surely, 2^225395946 is an apocalyptic number.

225395946 is an abundant number, since it is smaller than the sum of its proper divisors (297084474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225395946 is a wasteful number, since it uses less digits than its factorization.

225395946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48020 (or 48011 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 225395946 is about 15013.1923986872. The cubic root of 225395946 is about 608.5767643424.

The spelling of 225395946 in words is "two hundred twenty-five million, three hundred ninety-five thousand, nine hundred forty-six".