22124351401 has 4 divisors (see below), whose sum is σ = 22887260100. Its totient is φ = 21361442704.

The previous prime is 22124351387. The next prime is 22124351419. The reversal of 22124351401 is 10415342122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10616211225 + 11508140176 = 103035^2 + 107276^2 .

It is a cyclic number.

It is not a de Polignac number, because 22124351401 - 2¹⁹ = 22123827113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22124351441) 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, 381454306 + ... + 381454363.

It is an arithmetic number, because the mean of its divisors is an integer number (5721815025).

Almost surely, 2^22124351401 is an apocalyptic number.

It is an amenable number.

22124351401 is a deficient number, since it is larger than the sum of its proper divisors (762908699).

22124351401 is an equidigital number, since it uses as much as digits as its factorization.

22124351401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762908698.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 22124351401 its reverse (10415342122), we get a palindrome (32539693523).

The spelling of 22124351401 in words is "twenty-two billion, one hundred twenty-four million, three hundred fifty-one thousand, four hundred one".