225425064 has 32 divisors (see below), whose sum is σ = 564768000. Its totient is φ = 74980992.

The previous prime is 225425041. The next prime is 225425069. The reversal of 225425064 is 460524522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (225425069) by changing a digit.

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, 1692 + ... + 21300.

It is an arithmetic number, because the mean of its divisors is an integer number (17649000).

Almost surely, 2^225425064 is an apocalyptic number.

225425064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225425064 is an abundant number, since it is smaller than the sum of its proper divisors (339342936).

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

225425064 is a wasteful number, since it uses less digits than its factorization.

225425064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097 (or 20093 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 225425064 is about 15014.1621144838. The cubic root of 225425064 is about 608.6029697460.

Adding to 225425064 its reverse (460524522), we get a palindrome (685949586).

The spelling of 225425064 in words is "two hundred twenty-five million, four hundred twenty-five thousand, sixty-four".