22125034144445 has 4 divisors (see below), whose sum is σ = 26550040973340. Its totient is φ = 17700027315552.

The previous prime is 22125034144439. The next prime is 22125034144459. The reversal of 22125034144445 is 54444143052122.

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 4190876348569 + 17934157795876 = 2047163^2 + 4234874^2 .

It is a cyclic number.

It is not a de Polignac number, because 22125034144445 - 2²⁸ = 22124765708989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212503414440 + ... + 2212503414449.

It is an arithmetic number, because the mean of its divisors is an integer number (6637510243335).

Almost surely, 2^{22125034144445} is an apocalyptic number.

It is an amenable number.

22125034144445 is a deficient number, since it is larger than the sum of its proper divisors (4425006828895).

22125034144445 is an equidigital number, since it uses as much as digits as its factorization.

22125034144445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425006828894.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 22125034144445 its reverse (54444143052122), we get a palindrome (76569177196567).

The spelling of 22125034144445 in words is "twenty-two trillion, one hundred twenty-five billion, thirty-four million, one hundred forty-four thousand, four hundred forty-five".