225641853 has 12 divisors (see below), whose sum is σ = 343081440. Its totient is φ = 142510536.

The previous prime is 225641849. The next prime is 225641869. The reversal of 225641853 is 358146522.

225641853 is a `hidden beast` number, since 2 + 2 + 5 + 641 + 8 + 5 + 3 = 666.

It is not a de Polignac number, because 225641853 - 2² = 225641849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225640853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659601 + ... + 659942.

It is an arithmetic number, because the mean of its divisors is an integer number (28590120).

Almost surely, 2^225641853 is an apocalyptic number.

It is an amenable number.

225641853 is a deficient number, since it is larger than the sum of its proper divisors (117439587).

225641853 is a wasteful number, since it uses less digits than its factorization.

225641853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319568 (or 1319565 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 225641853 is about 15021.3798633814. The cubic root of 225641853 is about 608.7980030087.

The spelling of 225641853 in words is "two hundred twenty-five million, six hundred forty-one thousand, eight hundred fifty-three".