421104224 has 12 divisors (see below), whose sum is σ = 829049004. Its totient is φ = 210552096.

The previous prime is 421104221. The next prime is 421104227. The reversal of 421104224 is 422401124.

It is an interprime number because it is at equal distance from previous prime (421104221) and next prime (421104227).

It is a junction number, because it is equal to n+sod(n) for n = 421104196 and 421104205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421104221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6579722 + ... + 6579785.

It is an arithmetic number, because the mean of its divisors is an integer number (69087417).

Almost surely, 2^421104224 is an apocalyptic number.

It is an amenable number.

421104224 is a deficient number, since it is larger than the sum of its proper divisors (407944780).

421104224 is a wasteful number, since it uses less digits than its factorization.

421104224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13159517 (or 13159509 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 421104224 is about 20520.8241549895. The cubic root of 421104224 is about 749.5429654009.

Adding to 421104224 its reverse (422401124), we get a palindrome (843505348).

The spelling of 421104224 in words is "four hundred twenty-one million, one hundred four thousand, two hundred twenty-four".