421112232 has 24 divisors (see below), whose sum is σ = 1140512490. Its totient is φ = 140370720.

The previous prime is 421112227. The next prime is 421112249. The reversal of 421112232 is 232211124.

It is a happy number.

421112232 is a `hidden beast` number, since 421 + 1 + 12 + 232 = 666.

It can be written as a sum of positive squares in only one way, i.e., 348419556 + 72692676 = 18666^2 + 8526^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2924319 + ... + 2924462.

Almost surely, 2^421112232 is an apocalyptic number.

It is an amenable number.

421112232 is an abundant number, since it is smaller than the sum of its proper divisors (719400258).

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

421112232 is a wasteful number, since it uses less digits than its factorization.

421112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848793 (or 5848786 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 421112232 is about 20521.0192729309. The cubic root of 421112232 is about 749.5477166412.

Adding to 421112232 its reverse (232211124), we get a palindrome (653323356).

The spelling of 421112232 in words is "four hundred twenty-one million, one hundred twelve thousand, two hundred thirty-two".