220041725 has 12 divisors (see below), whose sum is σ = 273107520. Its totient is φ = 175868400.

The previous prime is 220041721. The next prime is 220041847. The reversal of 220041725 is 527140022.

It is a happy number.

It is not a de Polignac number, because 220041725 - 2² = 220041721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220041725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220041721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27980 + ... + 34970.

It is an arithmetic number, because the mean of its divisors is an integer number (22758960).

Almost surely, 2^220041725 is an apocalyptic number.

220041725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220041725 is a deficient number, since it is larger than the sum of its proper divisors (53065795).

220041725 is a wasteful number, since it uses less digits than its factorization.

220041725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260 (or 8255 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 220041725 is about 14833.8034569695. The cubic root of 220041725 is about 603.7192358018.

Adding to 220041725 its reverse (527140022), we get a palindrome (747181747).

The spelling of 220041725 in words is "two hundred twenty million, forty-one thousand, seven hundred twenty-five".