22555131002401 has 4 divisors (see below), whose sum is σ = 22924887248404. Its totient is φ = 22185374756400.

The previous prime is 22555131002303. The next prime is 22555131002431. The reversal of 22555131002401 is 10420013155522.

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 13222503148176 + 9332627854225 = 3636276^2 + 3054935^2 .

It is a cyclic number.

It is not a de Polignac number, because 22555131002401 - 2⁹ = 22555131001889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22555131002431) 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, 184878122910 + ... + 184878123031.

It is an arithmetic number, because the mean of its divisors is an integer number (5731221812101).

Almost surely, 2^{22555131002401} is an apocalyptic number.

It is an amenable number.

22555131002401 is a deficient number, since it is larger than the sum of its proper divisors (369756246003).

22555131002401 is an equidigital number, since it uses as much as digits as its factorization.

22555131002401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369756246002.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 22555131002401 its reverse (10420013155522), we get a palindrome (32975144157923).

The spelling of 22555131002401 in words is "twenty-two trillion, five hundred fifty-five billion, one hundred thirty-one million, two thousand, four hundred one".