225117441 has 16 divisors (see below), whose sum is σ = 335947200. Its totient is φ = 148980384.

The previous prime is 225117421. The next prime is 225117457. The reversal of 225117441 is 144711522.

It is not a de Polignac number, because 225117441 - 2⁷ = 225117313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (225117421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26731 + ... + 34128.

It is an arithmetic number, because the mean of its divisors is an integer number (20996700).

Almost surely, 2^225117441 is an apocalyptic number.

It is an amenable number.

225117441 is a deficient number, since it is larger than the sum of its proper divisors (110829759).

225117441 is a wasteful number, since it uses less digits than its factorization.

225117441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61005 (or 60999 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 225117441 is about 15003.9141893041. The cubic root of 225117441 is about 608.3260033561.

Adding to 225117441 its reverse (144711522), we get a palindrome (369828963).

The spelling of 225117441 in words is "two hundred twenty-five million, one hundred seventeen thousand, four hundred forty-one".