423201224 has 8 divisors (see below), whose sum is σ = 793502310. Its totient is φ = 211600608.

The previous prime is 423201199. The next prime is 423201271. The reversal of 423201224 is 422102324.

It can be written as a sum of positive squares in only one way, i.e., 360316324 + 62884900 = 18982^2 + 7930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 423201196 and 423201205.

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 as a sum of consecutive naturals, namely, 26450069 + ... + 26450084.

Almost surely, 2^423201224 is an apocalyptic number.

It is an amenable number.

423201224 is a deficient number, since it is larger than the sum of its proper divisors (370301086).

423201224 is a wasteful number, since it uses less digits than its factorization.

423201224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52900159 (or 52900155 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 423201224 is about 20571.8551424027. The cubic root of 423201224 is about 750.7850884133.

Adding to 423201224 its reverse (422102324), we get a palindrome (845303548).

The spelling of 423201224 in words is "four hundred twenty-three million, two hundred one thousand, two hundred twenty-four".