421143322 has 12 divisors (see below), whose sum is σ = 666714186. Its totient is φ = 199488600.

The previous prime is 421143319. The next prime is 421143347. The reversal of 421143322 is 223341124.

It can be written as a sum of positive squares in only one way, i.e., 398760961 + 22382361 = 19969^2 + 4731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421143293 and 421143302.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290929 + ... + 292372.

Almost surely, 2^421143322 is an apocalyptic number.

421143322 is a deficient number, since it is larger than the sum of its proper divisors (245570864).

421143322 is a wasteful number, since it uses less digits than its factorization.

421143322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583341 (or 583322 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 421143322 is about 20521.7767749286. The cubic root of 421143322 is about 749.5661621317.

Adding to 421143322 its reverse (223341124), we get a palindrome (644484446).

The spelling of 421143322 in words is "four hundred twenty-one million, one hundred forty-three thousand, three hundred twenty-two".