421214232 has 16 divisors (see below), whose sum is σ = 1053035640. Its totient is φ = 140404736.

The previous prime is 421214207. The next prime is 421214237. The reversal of 421214232 is 232412124.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 421214199 and 421214208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421214237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8775273 + ... + 8775320.

Almost surely, 2^421214232 is an apocalyptic number.

It is an amenable number.

421214232 is an abundant number, since it is smaller than the sum of its proper divisors (631821408).

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

421214232 is a wasteful number, since it uses less digits than its factorization.

421214232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17550602 (or 17550598 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 421214232 is about 20523.5043791259. The cubic root of 421214232 is about 749.6082291676.

Adding to 421214232 its reverse (232412124), we get a palindrome (653626356).

The spelling of 421214232 in words is "four hundred twenty-one million, two hundred fourteen thousand, two hundred thirty-two".