225314784 has 60 divisors (see below), whose sum is σ = 662652144. Its totient is φ = 75104064.

The previous prime is 225314779. The next prime is 225314827. The reversal of 225314784 is 487413522.

It is a happy number.

225314784 is a `hidden beast` number, since 2 + 2 + 531 + 47 + 84 = 666.

225314784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40872 + ... + 46055.

Almost surely, 2^225314784 is an apocalyptic number.

225314784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225314784 is an abundant number, since it is smaller than the sum of its proper divisors (437337360).

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

225314784 is an equidigital number, since it uses as much as digits as its factorization.

225314784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86949 (or 86932 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 225314784 is about 15010.4891326032. The cubic root of 225314784 is about 608.5037088475.

The spelling of 225314784 in words is "two hundred twenty-five million, three hundred fourteen thousand, seven hundred eighty-four".