220442325 has 12 divisors (see below), whose sum is σ = 364464768. Its totient is φ = 117569200.

The previous prime is 220442323. The next prime is 220442329. The reversal of 220442325 is 523244022.

It is a happy number.

It is not a de Polignac number, because 220442325 - 2¹ = 220442323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220442295 and 220442304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220442323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1469541 + ... + 1469690.

It is an arithmetic number, because the mean of its divisors is an integer number (30372064).

Almost surely, 2^220442325 is an apocalyptic number.

220442325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220442325 is a deficient number, since it is larger than the sum of its proper divisors (144022443).

220442325 is a wasteful number, since it uses less digits than its factorization.

220442325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939244 (or 2939239 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 220442325 is about 14847.3002596432. The cubic root of 220442325 is about 604.0853834895.

Adding to 220442325 its reverse (523244022), we get a palindrome (743686347).

The spelling of 220442325 in words is "two hundred twenty million, four hundred forty-two thousand, three hundred twenty-five".