1222310425 has 24 divisors (see below), whose sum is σ = 1751673600. Its totient is φ = 828727680.

The previous prime is 1222310423. The next prime is 1222310443. The reversal of 1222310425 is 5240132221.

It is a happy number.

It is not a de Polignac number, because 1222310425 - 2¹ = 1222310423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222310396 and 1222310405.

It is not an unprimeable number, because it can be changed into a prime (1222310423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23665 + ... + 54814.

It is an arithmetic number, because the mean of its divisors is an integer number (72986400).

Almost surely, 2^1222310425 is an apocalyptic number.

It is an amenable number.

1222310425 is a deficient number, since it is larger than the sum of its proper divisors (529363175).

1222310425 is an equidigital number, since it uses as much as digits as its factorization.

1222310425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78585 (or 78580 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1222310425 is about 34961.5563869803. The cubic root of 1222310425 is about 1069.2038287834.

Adding to 1222310425 its reverse (5240132221), we get a palindrome (6462442646).

The spelling of 1222310425 in words is "one billion, two hundred twenty-two million, three hundred ten thousand, four hundred twenty-five".