421031223244 has 6 divisors (see below), whose sum is σ = 736804640684. Its totient is φ = 210515611620.

The previous prime is 421031223241. The next prime is 421031223323. The reversal of 421031223244 is 442322130124.

It is not an unprimeable number, because it can be changed into a prime (421031223241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52628902902 + ... + 52628902909.

Almost surely, 2^421031223244 is an apocalyptic number.

It is an amenable number.

421031223244 is a deficient number, since it is larger than the sum of its proper divisors (315773417440).

421031223244 is a wasteful number, since it uses less digits than its factorization.

421031223244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105257805815 (or 105257805813 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 421031223244 its reverse (442322130124), we get a palindrome (863353353368).

The spelling of 421031223244 in words is "four hundred twenty-one billion, thirty-one million, two hundred twenty-three thousand, two hundred forty-four".