22042110421 has 8 divisors (see below), whose sum is σ = 23017248000. Its totient is φ = 21068371632.

The previous prime is 22042110407. The next prime is 22042110449. The reversal of 22042110421 is 12401124022.

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 22042110421 - 2²⁷ = 21907892693 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 (22042110401) 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, 317421 + ... + 380578.

It is an arithmetic number, because the mean of its divisors is an integer number (2877156000).

Almost surely, 2^22042110421 is an apocalyptic number.

It is an amenable number.

22042110421 is a deficient number, since it is larger than the sum of its proper divisors (975137579).

22042110421 is a wasteful number, since it uses less digits than its factorization.

22042110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699395.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22042110421 its reverse (12401124022), we get a palindrome (34443234443).

The spelling of 22042110421 in words is "twenty-two billion, forty-two million, one hundred ten thousand, four hundred twenty-one".