325424220 has 48 divisors (see below), whose sum is σ = 994025088. Its totient is φ = 78890560.

The previous prime is 325424219. The next prime is 325424221. The reversal of 325424220 is 22424523.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (325424219) and next prime (325424221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325424221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245874 + ... + 247193.

It is an arithmetic number, because the mean of its divisors is an integer number (20708856).

Almost surely, 2^325424220 is an apocalyptic number.

325424220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325424220 is an abundant number, since it is smaller than the sum of its proper divisors (668600868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325424220 is a wasteful number, since it uses less digits than its factorization.

325424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493090 (or 493088 counting only the distinct ones).

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

The square root of 325424220 is about 18039.5182862514. The cubic root of 325424220 is about 687.8334479435.

Adding to 325424220 its reverse (22424523), we get a palindrome (347848743).

The spelling of 325424220 in words is "three hundred twenty-five million, four hundred twenty-four thousand, two hundred twenty".