225617454 has 16 divisors (see below), whose sum is σ = 501372240. Its totient is φ = 75205800.

The previous prime is 225617423. The next prime is 225617461. The reversal of 225617454 is 454716522.

It is a happy number.

225617454 is a `hidden beast` number, since 22 + 561 + 74 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088997 + ... + 2089104.

It is an arithmetic number, because the mean of its divisors is an integer number (31335765).

Almost surely, 2^225617454 is an apocalyptic number.

225617454 is an abundant number, since it is smaller than the sum of its proper divisors (275754786).

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

225617454 is a wasteful number, since it uses less digits than its factorization.

225617454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178112 (or 4178106 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 225617454 is about 15020.5676989919. The cubic root of 225617454 is about 608.7760587968.

The spelling of 225617454 in words is "two hundred twenty-five million, six hundred seventeen thousand, four hundred fifty-four".