104224321 has 4 divisors (see below), whose sum is σ = 104320944. Its totient is φ = 104127700.

The previous prime is 104224283. The next prime is 104224343. The reversal of 104224321 is 123422401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104224321 - 2¹⁵ = 104191553 is a prime.

It is a super-2 number, since 2×104224321² = 21725418175822082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104224391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46675 + ... + 48856.

It is an arithmetic number, because the mean of its divisors is an integer number (26080236).

Almost surely, 2^104224321 is an apocalyptic number.

It is an amenable number.

104224321 is a deficient number, since it is larger than the sum of its proper divisors (96623).

104224321 is an equidigital number, since it uses as much as digits as its factorization.

104224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96622.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 104224321 is about 10209.0313448436. The cubic root of 104224321 is about 470.6048061178.

Adding to 104224321 its reverse (123422401), we get a palindrome (227646722).

The spelling of 104224321 in words is "one hundred four million, two hundred twenty-four thousand, three hundred twenty-one".