1222245325 has 24 divisors (see below), whose sum is σ = 1734317568. Its totient is φ = 837036480.

The previous prime is 1222245317. The next prime is 1222245329. The reversal of 1222245325 is 5235422221.

It is not a de Polignac number, because 1222245325 - 2³ = 1222245317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222245293 and 1222245302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222245329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146979 + ... + 155071.

It is an arithmetic number, because the mean of its divisors is an integer number (72263232).

Almost surely, 2^1222245325 is an apocalyptic number.

It is an amenable number.

1222245325 is a deficient number, since it is larger than the sum of its proper divisors (512072243).

1222245325 is an equidigital number, since it uses as much as digits as its factorization.

1222245325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973 (or 8968 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 1222245325 is about 34960.6253519585. The cubic root of 1222245325 is about 1069.1848465882.

Adding to 1222245325 its reverse (5235422221), we get a palindrome (6457667546).

The spelling of 1222245325 in words is "one billion, two hundred twenty-two million, two hundred forty-five thousand, three hundred twenty-five".