220404325 has 12 divisors (see below), whose sum is σ = 273746368. Its totient is φ = 176036400.

The previous prime is 220404307. The next prime is 220404329. The reversal of 220404325 is 523404022.

It is not a de Polignac number, because 220404325 - 2¹⁷ = 220273253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220404296 and 220404305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220404329) 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 11 ways as a sum of consecutive naturals, for example, 9220 + ... + 22930.

Almost surely, 2^220404325 is an apocalyptic number.

220404325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220404325 is a deficient number, since it is larger than the sum of its proper divisors (53342043).

220404325 is a wasteful number, since it uses less digits than its factorization.

220404325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14364 (or 14359 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 220404325 is about 14846.0205105611. The cubic root of 220404325 is about 604.0506706098.

Adding to 220404325 its reverse (523404022), we get a palindrome (743808347).

The spelling of 220404325 in words is "two hundred twenty million, four hundred four thousand, three hundred twenty-five".