1220432325 has 96 divisors (see below), whose sum is σ = 2452985856. Its totient is φ = 523311360.

The previous prime is 1220432303. The next prime is 1220432341. The reversal of 1220432325 is 5232340221.

It is not a de Polignac number, because 1220432325 - 2⁵ = 1220432293 is a prime.

It is a super-3 number, since 3×1220432325³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220432295 and 1220432304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 639022 + ... + 640928.

It is an arithmetic number, because the mean of its divisors is an integer number (25551936).

Almost surely, 2^1220432325 is an apocalyptic number.

1220432325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1220432325 is an abundant number, since it is smaller than the sum of its proper divisors (1232553531).

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

1220432325 is a wasteful number, since it uses less digits than its factorization.

1220432325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1220432325 is about 34934.6865593496. The cubic root of 1220432325 is about 1068.6559316680.

Adding to 1220432325 its reverse (5232340221), we get a palindrome (6452772546).

The spelling of 1220432325 in words is "one billion, two hundred twenty million, four hundred thirty-two thousand, three hundred twenty-five".