2104453221 has 8 divisors (see below), whose sum is σ = 3021779040. Its totient is φ = 1295048112.

The previous prime is 2104453097. The next prime is 2104453223. The reversal of 2104453221 is 1223544012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2104453221 - 2⁷ = 2104453093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104453191 and 2104453200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104453223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26980131 + ... + 26980208.

It is an arithmetic number, because the mean of its divisors is an integer number (377722380).

Almost surely, 2^2104453221 is an apocalyptic number.

It is an amenable number.

2104453221 is a deficient number, since it is larger than the sum of its proper divisors (917325819).

2104453221 is a wasteful number, since it uses less digits than its factorization.

2104453221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53960355.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2104453221 is about 45874.3198423693. The cubic root of 2104453221 is about 1281.4837166950.

Adding to 2104453221 its reverse (1223544012), we get a palindrome (3327997233).

The spelling of 2104453221 in words is "two billion, one hundred four million, four hundred fifty-three thousand, two hundred twenty-one".