424423225 has 12 divisors (see below), whose sum is σ = 534141904. Its totient is φ = 334469520.

The previous prime is 424423213. The next prime is 424423229. The reversal of 424423225 is 522324424.

It is not a de Polignac number, because 424423225 - 2¹⁷ = 424292153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424423193 and 424423202.

It is not an unprimeable number, because it can be changed into a prime (424423229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125019 + ... + 128368.

Almost surely, 2^424423225 is an apocalyptic number.

It is an amenable number.

424423225 is a deficient number, since it is larger than the sum of its proper divisors (109718679).

424423225 is a wasteful number, since it uses less digits than its factorization.

424423225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253464 (or 253459 counting only the distinct ones).

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

The square root of 424423225 is about 20601.5345302237. The cubic root of 424423225 is about 751.5070290489.

Adding to 424423225 its reverse (522324424), we get a palindrome (946747649).

The spelling of 424423225 in words is "four hundred twenty-four million, four hundred twenty-three thousand, two hundred twenty-five".