424222425 has 36 divisors (see below), whose sum is σ = 828909744. Its totient is φ = 205682400.

The previous prime is 424222399. The next prime is 424222433. The reversal of 424222425 is 524222424.

It is not a de Polignac number, because 424222425 - 2⁷ = 424222297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83227 + ... + 88176.

Almost surely, 2^424222425 is an apocalyptic number.

424222425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

424222425 is a deficient number, since it is larger than the sum of its proper divisors (404687319).

424222425 is a wasteful number, since it uses less digits than its factorization.

424222425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171430 (or 171422 counting only the distinct ones).

The product of its digits is 10240, while the sum is 27.

The square root of 424222425 is about 20596.6605302899. The cubic root of 424222425 is about 751.3884945243.

Adding to 424222425 its reverse (524222424), we get a palindrome (948444849).

Subtracting 424222425 from its reverse (524222424), we obtain a palindrome (99999999).

The spelling of 424222425 in words is "four hundred twenty-four million, two hundred twenty-two thousand, four hundred twenty-five".