420225232 has 40 divisors (see below), whose sum is σ = 931565376. Its totient is φ = 179890176.

The previous prime is 420225161. The next prime is 420225241. The reversal of 420225232 is 232522024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134763 + ... + 137845.

Almost surely, 2^420225232 is an apocalyptic number.

It is an amenable number.

420225232 is an abundant number, since it is smaller than the sum of its proper divisors (511340144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420225232 is a wasteful number, since it uses less digits than its factorization.

420225232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315 (or 4309 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 420225232 is about 20499.3958935379. The cubic root of 420225232 is about 749.0210825538.

Adding to 420225232 its reverse (232522024), we get a palindrome (652747256).

The spelling of 420225232 in words is "four hundred twenty million, two hundred twenty-five thousand, two hundred thirty-two".