104365221 has 4 divisors (see below), whose sum is σ = 139153632. Its totient is φ = 69576812.

The previous prime is 104365207. The next prime is 104365223. The reversal of 104365221 is 122563401.

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 104365221 - 2¹⁴ = 104348837 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104365191 and 104365200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104365223) 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, 17394201 + ... + 17394206.

It is an arithmetic number, because the mean of its divisors is an integer number (34788408).

Almost surely, 2^104365221 is an apocalyptic number.

It is an amenable number.

104365221 is a deficient number, since it is larger than the sum of its proper divisors (34788411).

104365221 is an equidigital number, since it uses as much as digits as its factorization.

104365221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34788410.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 104365221 is about 10215.9297667907. The cubic root of 104365221 is about 470.8167795435.

The spelling of 104365221 in words is "one hundred four million, three hundred sixty-five thousand, two hundred twenty-one".