225401528 has 32 divisors (see below), whose sum is σ = 471778560. Its totient is φ = 100070880.

The previous prime is 225401507. The next prime is 225401531. The reversal of 225401528 is 825104522.

It is a self number, because there is not a number n which added to its sum of digits gives 225401528.

It is a congruent number.

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, 26000 + ... + 33567.

It is an arithmetic number, because the mean of its divisors is an integer number (14743080).

Almost surely, 2^225401528 is an apocalyptic number.

It is an amenable number.

225401528 is an abundant number, since it is smaller than the sum of its proper divisors (246377032).

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

225401528 is a wasteful number, since it uses less digits than its factorization.

225401528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59627 (or 59623 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 225401528 is about 15013.3783007023. The cubic root of 225401528 is about 608.5817881645.

The spelling of 225401528 in words is "two hundred twenty-five million, four hundred one thousand, five hundred twenty-eight".