2131225580 has 24 divisors (see below), whose sum is σ = 4882444560. Its totient is φ = 774991040.

The previous prime is 2131225561. The next prime is 2131225597. The reversal of 2131225580 is 855221312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4843475 + ... + 4843914.

It is an arithmetic number, because the mean of its divisors is an integer number (203435190).

Almost surely, 2^2131225580 is an apocalyptic number.

2131225580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131225580 is an abundant number, since it is smaller than the sum of its proper divisors (2751218980).

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

2131225580 is a wasteful number, since it uses less digits than its factorization.

2131225580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9687409 (or 9687407 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2131225580 is about 46165.1987973625. The cubic root of 2131225580 is about 1286.8950786323.

Adding to 2131225580 its reverse (855221312), we get a palindrome (2986446892).

The spelling of 2131225580 in words is "two billion, one hundred thirty-one million, two hundred twenty-five thousand, five hundred eighty".