421232322 has 48 divisors (see below), whose sum is σ = 983072160. Its totient is φ = 119976192.

The previous prime is 421232269. The next prime is 421232333. The reversal of 421232322 is 223232124.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99954 + ... + 104082.

It is an arithmetic number, because the mean of its divisors is an integer number (20480670).

Almost surely, 2^421232322 is an apocalyptic number.

421232322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 421232322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491536080).

421232322 is an abundant number, since it is smaller than the sum of its proper divisors (561839838).

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

421232322 is a wasteful number, since it uses less digits than its factorization.

421232322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495 (or 4488 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 421232322 is about 20523.9450886032. The cubic root of 421232322 is about 749.6189602221.

Adding to 421232322 its reverse (223232124), we get a palindrome (644464446).

The spelling of 421232322 in words is "four hundred twenty-one million, two hundred thirty-two thousand, three hundred twenty-two".