424223425 has 6 divisors (see below), whose sum is σ = 526037078. Its totient is φ = 339378720.

The previous prime is 424223411. The next prime is 424223447. The reversal of 424223425 is 524322424.

It can be written as a sum of positive squares in 3 ways, for example, as 9042049 + 415181376 = 3007^2 + 20376^2 .

It is not a de Polignac number, because 424223425 - 2¹¹ = 424221377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424223393 and 424223402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8484444 + ... + 8484493.

Almost surely, 2^424223425 is an apocalyptic number.

It is an amenable number.

424223425 is a deficient number, since it is larger than the sum of its proper divisors (101813653).

424223425 is a wasteful number, since it uses less digits than its factorization.

424223425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16968947 (or 16968942 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 424223425 is about 20596.6848060556. The cubic root of 424223425 is about 751.3890849283.

Adding to 424223425 its reverse (524322424), we get a palindrome (948545849).

The spelling of 424223425 in words is "four hundred twenty-four million, two hundred twenty-three thousand, four hundred twenty-five".