22104213231 has 8 divisors (see below), whose sum is σ = 30028365360. Its totient is φ = 14458101632.

The previous prime is 22104213203. The next prime is 22104213251. The reversal of 22104213231 is 13231240122.

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

It is a cyclic number.

It is not a de Polignac number, because 22104213231 - 2⁵ = 22104213199 is a prime.

It is a super-2 number, since 2×22104213231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22104213198 and 22104213207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104213251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69509946 + ... + 69510263.

It is an arithmetic number, because the mean of its divisors is an integer number (3753545670).

Almost surely, 2^22104213231 is an apocalyptic number.

22104213231 is a deficient number, since it is larger than the sum of its proper divisors (7924152129).

22104213231 is a wasteful number, since it uses less digits than its factorization.

22104213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139020265.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22104213231 its reverse (13231240122), we get a palindrome (35335453353).

The spelling of 22104213231 in words is "twenty-two billion, one hundred four million, two hundred thirteen thousand, two hundred thirty-one".