225641361 has 8 divisors (see below), whose sum is σ = 328205664. Its totient is φ = 136752320.

The previous prime is 225641309. The next prime is 225641369. The reversal of 225641361 is 163146522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225641361 - 2¹⁴ = 225624977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225641369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3418776 + ... + 3418841.

It is an arithmetic number, because the mean of its divisors is an integer number (41025708).

Almost surely, 2^225641361 is an apocalyptic number.

It is an amenable number.

225641361 is a deficient number, since it is larger than the sum of its proper divisors (102564303).

225641361 is a wasteful number, since it uses less digits than its factorization.

225641361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837631.

The product of its digits is 8640, while the sum is 30.

The square root of 225641361 is about 15021.3634867145. The cubic root of 225641361 is about 608.7975605245.

Adding to 225641361 its reverse (163146522), we get a palindrome (388787883).

The spelling of 225641361 in words is "two hundred twenty-five million, six hundred forty-one thousand, three hundred sixty-one".