225057140 has 48 divisors (see below), whose sum is σ = 589244544. Its totient is φ = 70147200.

The previous prime is 225057113. The next prime is 225057143. The reversal of 225057140 is 41750522.

225057140 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 (225057143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71531 + ... + 74610.

It is an arithmetic number, because the mean of its divisors is an integer number (12275928).

Almost surely, 2^225057140 is an apocalyptic number.

225057140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225057140 is an abundant number, since it is smaller than the sum of its proper divisors (364187404).

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

225057140 is a wasteful number, since it uses less digits than its factorization.

225057140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146168 (or 146166 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 225057140 is about 15001.9045457568. The cubic root of 225057140 is about 608.2716821657.

The spelling of 225057140 in words is "two hundred twenty-five million, fifty-seven thousand, one hundred forty".