225361140 has 24 divisors (see below), whose sum is σ = 631011360. Its totient is φ = 60096288.

The previous prime is 225361139. The next prime is 225361183. The reversal of 225361140 is 41163522.

It is a self number, because there is not a number n which added to its sum of digits gives 225361140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877950 + ... + 1878069.

It is an arithmetic number, because the mean of its divisors is an integer number (26292140).

Almost surely, 2^225361140 is an apocalyptic number.

225361140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225361140 is an abundant number, since it is smaller than the sum of its proper divisors (405650220).

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

225361140 is a wasteful number, since it uses less digits than its factorization.

225361140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756031 (or 3756029 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 225361140 is about 15012.0331734246. The cubic root of 225361140 is about 608.5454369329.

The spelling of 225361140 in words is "two hundred twenty-five million, three hundred sixty-one thousand, one hundred forty".