231225546 has 8 divisors (see below), whose sum is σ = 462451104. Its totient is φ = 77075180.

The previous prime is 231225539. The next prime is 231225587. The reversal of 231225546 is 645522132.

It is a sphenic number, since it is the product of 3 distinct primes.

231225546 is an admirable number.

It is a super-3 number, since 3×231225546³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19268790 + ... + 19268801.

It is an arithmetic number, because the mean of its divisors is an integer number (57806388).

Almost surely, 2^231225546 is an apocalyptic number.

231225546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231225546 is a wasteful number, since it uses less digits than its factorization.

231225546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38537596.

The product of its digits is 14400, while the sum is 30.

The square root of 231225546 is about 15206.1022619210. The cubic root of 231225546 is about 613.7788764736.

Adding to 231225546 its reverse (645522132), we get a palindrome (876747678).

The spelling of 231225546 in words is "two hundred thirty-one million, two hundred twenty-five thousand, five hundred forty-six".