22104133421 has 4 divisors (see below), whose sum is σ = 22118763744. Its totient is φ = 22089503100.

The previous prime is 22104133409. The next prime is 22104133427. The reversal of 22104133421 is 12433140122.

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 22104133421 - 2¹⁰ = 22104132397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104133427) 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, 7312895 + ... + 7315916.

It is an arithmetic number, because the mean of its divisors is an integer number (5529690936).

Almost surely, 2^22104133421 is an apocalyptic number.

It is an amenable number.

22104133421 is a deficient number, since it is larger than the sum of its proper divisors (14630323).

22104133421 is a wasteful number, since it uses less digits than its factorization.

22104133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14630322.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22104133421 its reverse (12433140122), we get a palindrome (34537273543).

The spelling of 22104133421 in words is "twenty-two billion, one hundred four million, one hundred thirty-three thousand, four hundred twenty-one".