22145144413133 has 6 divisors (see below), whose sum is σ = 25760678194926. Its totient is φ = 18981552354072.

The previous prime is 22145144413097. The next prime is 22145144413159. The reversal of 22145144413133 is 33131444154122.

It can be written as a sum of positive squares in only one way, i.e., 18880954229284 + 3264190183849 = 4345222^2 + 1806707^2 .

It is not a de Polignac number, because 22145144413133 - 2²⁶ = 22145077304269 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 (22145144413163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225970861310 + ... + 225970861407.

It is an arithmetic number, because the mean of its divisors is an integer number (4293446365821).

Almost surely, 2^{22145144413133} is an apocalyptic number.

It is an amenable number.

22145144413133 is a deficient number, since it is larger than the sum of its proper divisors (3615533781793).

22145144413133 is an equidigital number, since it uses as much as digits as its factorization.

22145144413133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451941722731 (or 451941722724 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

Adding to 22145144413133 its reverse (33131444154122), we get a palindrome (55276588567255).

The spelling of 22145144413133 in words is "twenty-two trillion, one hundred forty-five billion, one hundred forty-four million, four hundred thirteen thousand, one hundred thirty-three".