225961841 has 16 divisors (see below), whose sum is σ = 274602240. Its totient is φ = 181509120.

The previous prime is 225961819. The next prime is 225961859. The reversal of 225961841 is 148169522.

It is a cyclic number.

It is not a de Polignac number, because 225961841 - 2⁶ = 225961777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225961795 and 225961804.

It is not an unprimeable number, because it can be changed into a prime (225961811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24740 + ... + 32618.

It is an arithmetic number, because the mean of its divisors is an integer number (17162640).

Almost surely, 2^225961841 is an apocalyptic number.

It is an amenable number.

225961841 is a deficient number, since it is larger than the sum of its proper divisors (48640399).

225961841 is a wasteful number, since it uses less digits than its factorization.

225961841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8144.

The product of its digits is 34560, while the sum is 38.

The square root of 225961841 is about 15032.0271753347. The cubic root of 225961841 is about 609.0856506502.

The spelling of 225961841 in words is "two hundred twenty-five million, nine hundred sixty-one thousand, eight hundred forty-one".