22400430401 has 4 divisors (see below), whose sum is σ = 22946782404. Its totient is φ = 21854078400.

The previous prime is 22400430383. The next prime is 22400430407. The reversal of 22400430401 is 10403400422.

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 12315450625 + 10084979776 = 110975^2 + 100424^2 .

It is a cyclic number.

It is not a de Polignac number, because 22400430401 - 2¹⁰ = 22400429377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22400430407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273175940 + ... + 273176021.

It is an arithmetic number, because the mean of its divisors is an integer number (5736695601).

Almost surely, 2^22400430401 is an apocalyptic number.

It is an amenable number.

22400430401 is a deficient number, since it is larger than the sum of its proper divisors (546352003).

22400430401 is an equidigital number, since it uses as much as digits as its factorization.

22400430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546352002.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22400430401 its reverse (10403400422), we get a palindrome (32803830823).

The spelling of 22400430401 in words is "twenty-two billion, four hundred million, four hundred thirty thousand, four hundred one".