1422423425 has 12 divisors (see below), whose sum is σ = 1764421296. Its totient is φ = 1137541200.

The previous prime is 1422423421. The next prime is 1422423479. The reversal of 1422423425 is 5243242241.

It is not a de Polignac number, because 1422423425 - 2² = 1422423421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422423421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78470 + ... + 94880.

It is an arithmetic number, because the mean of its divisors is an integer number (147035108).

Almost surely, 2^1422423425 is an apocalyptic number.

It is an amenable number.

1422423425 is a deficient number, since it is larger than the sum of its proper divisors (341997871).

1422423425 is a wasteful number, since it uses less digits than its factorization.

1422423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19888 (or 19883 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 1422423425 is about 37715.0291661030. The cubic root of 1422423425 is about 1124.6299161294.

Adding to 1422423425 its reverse (5243242241), we get a palindrome (6665665666).

The spelling of 1422423425 in words is "one billion, four hundred twenty-two million, four hundred twenty-three thousand, four hundred twenty-five".