424724225 has 12 divisors (see below), whose sum is σ = 527351664. Its totient is φ = 339331920.

The previous prime is 424724213. The next prime is 424724257. The reversal of 424724225 is 522427424.

It is not a de Polignac number, because 424724225 - 2¹⁸ = 424462081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424724191 and 424724200.

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 11 ways as a sum of consecutive naturals, for example, 8882 + ... + 30468.

It is an arithmetic number, because the mean of its divisors is an integer number (43945972).

Almost surely, 2^424724225 is an apocalyptic number.

It is an amenable number.

424724225 is a deficient number, since it is larger than the sum of its proper divisors (102627439).

424724225 is a wasteful number, since it uses less digits than its factorization.

424724225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22384 (or 22379 counting only the distinct ones).

The product of its digits is 35840, while the sum is 32.

The square root of 424724225 is about 20608.8385165200. The cubic root of 424724225 is about 751.6846427681.

The spelling of 424724225 in words is "four hundred twenty-four million, seven hundred twenty-four thousand, two hundred twenty-five".