225891546 has 16 divisors (see below), whose sum is σ = 478358784. Its totient is φ = 70867904.

The previous prime is 225891539. The next prime is 225891569. The reversal of 225891546 is 645198522.

225891546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225891498 and 225891507.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1107210 + ... + 1107413.

It is an arithmetic number, because the mean of its divisors is an integer number (29897424).

Almost surely, 2^225891546 is an apocalyptic number.

225891546 is an abundant number, since it is smaller than the sum of its proper divisors (252467238).

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

225891546 is a wasteful number, since it uses less digits than its factorization.

225891546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214645.

The product of its digits is 172800, while the sum is 42.

The square root of 225891546 is about 15029.6888191339. The cubic root of 225891546 is about 609.0224834708.

The spelling of 225891546 in words is "two hundred twenty-five million, eight hundred ninety-one thousand, five hundred forty-six".