2520331222 has 12 divisors (see below), whose sum is σ = 3870465660. Its totient is φ = 1230857628.

The previous prime is 2520331189. The next prime is 2520331259. The reversal of 2520331222 is 2221330252.

It is a junction number, because it is equal to n+sod(n) for n = 2520331193 and 2520331202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 337072 + ... + 344467.

It is an arithmetic number, because the mean of its divisors is an integer number (322538805).

Almost surely, 2^2520331222 is an apocalyptic number.

2520331222 is a deficient number, since it is larger than the sum of its proper divisors (1350134438).

2520331222 is an equidigital number, since it uses as much as digits as its factorization.

2520331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681627 (or 681584 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2520331222 is about 50202.9005337341. The cubic root of 2520331222 is about 1360.8780413459.

Adding to 2520331222 its reverse (2221330252), we get a palindrome (4741661474).

The spelling of 2520331222 in words is "two billion, five hundred twenty million, three hundred thirty-one thousand, two hundred twenty-two".