425420224 has 14 divisors (see below), whose sum is σ = 844193384. Its totient is φ = 212710080.

The previous prime is 425420207. The next prime is 425420263. The reversal of 425420224 is 422024524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3323532 + ... + 3323659.

Almost surely, 2^425420224 is an apocalyptic number.

It is an amenable number.

425420224 is a deficient number, since it is larger than the sum of its proper divisors (418773160).

425420224 is an equidigital number, since it uses as much as digits as its factorization.

425420224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647203 (or 6647193 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 425420224 is about 20625.7175390336. The cubic root of 425420224 is about 752.0950159102.

Adding to 425420224 its reverse (422024524), we get a palindrome (847444748).

The spelling of 425420224 in words is "four hundred twenty-five million, four hundred twenty thousand, two hundred twenty-four".