225040460 has 12 divisors (see below), whose sum is σ = 472585008. Its totient is φ = 90016176.

The previous prime is 225040451. The next prime is 225040463. The reversal of 225040460 is 64040522.

225040460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (225040463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5625992 + ... + 5626031.

It is an arithmetic number, because the mean of its divisors is an integer number (39382084).

Almost surely, 2^225040460 is an apocalyptic number.

225040460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225040460 is an abundant number, since it is smaller than the sum of its proper divisors (247544548).

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

225040460 is a wasteful number, since it uses less digits than its factorization.

225040460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11252032 (or 11252030 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 225040460 is about 15001.3486060421. The cubic root of 225040460 is about 608.2566545416.

Adding to 225040460 its reverse (64040522), we get a palindrome (289080982).

The spelling of 225040460 in words is "two hundred twenty-five million, forty thousand, four hundred sixty".