22122324401 has 4 divisors (see below), whose sum is σ = 22185712500. Its totient is φ = 22058936304.

The previous prime is 22122324317. The next prime is 22122324403. The reversal of 22122324401 is 10442322122.

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 17456751376 + 4665573025 = 132124^2 + 68305^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122324401 - 2²⁶ = 22055215537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122324403) 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, 31693526 + ... + 31694223.

It is an arithmetic number, because the mean of its divisors is an integer number (5546428125).

Almost surely, 2^22122324401 is an apocalyptic number.

It is an amenable number.

22122324401 is a deficient number, since it is larger than the sum of its proper divisors (63388099).

22122324401 is an equidigital number, since it uses as much as digits as its factorization.

22122324401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63388098.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22122324401 its reverse (10442322122), we get a palindrome (32564646523).

The spelling of 22122324401 in words is "twenty-two billion, one hundred twenty-two million, three hundred twenty-four thousand, four hundred one".