225065140 has 24 divisors (see below), whose sum is σ = 482694912. Its totient is φ = 88110240.

The previous prime is 225065131. The next prime is 225065147. The reversal of 225065140 is 41560522.

225065140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225065147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118776 + ... + 120655.

It is an arithmetic number, because the mean of its divisors is an integer number (20112288).

Almost surely, 2^225065140 is an apocalyptic number.

225065140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225065140 is an abundant number, since it is smaller than the sum of its proper divisors (257629772).

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

225065140 is a wasteful number, since it uses less digits than its factorization.

225065140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239487 (or 239485 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 225065140 is about 15002.1711761998. The cubic root of 225065140 is about 608.2788893958.

The spelling of 225065140 in words is "two hundred twenty-five million, sixty-five thousand, one hundred forty".