22441122444445 has 4 divisors (see below), whose sum is σ = 26929346933340. Its totient is φ = 17952897955552.

The previous prime is 22441122444409. The next prime is 22441122444473. The reversal of 22441122444445 is 54444422114422.

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 4191531466329 + 18249590978116 = 2047323^2 + 4271954^2 .

It is a cyclic number.

It is not a de Polignac number, because 22441122444445 - 2⁷ = 22441122444317 is a prime.

It is a super-2 number, since 2×22441122444445² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244112244440 + ... + 2244112244449.

It is an arithmetic number, because the mean of its divisors is an integer number (6732336733335).

Almost surely, 2^{22441122444445} is an apocalyptic number.

It is an amenable number.

22441122444445 is a deficient number, since it is larger than the sum of its proper divisors (4488224488895).

22441122444445 is an equidigital number, since it uses as much as digits as its factorization.

22441122444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488224488894.

The product of its digits is 1310720, while the sum is 43.

Adding to 22441122444445 its reverse (54444422114422), we get a palindrome (76885544558867).

The spelling of 22441122444445 in words is "twenty-two trillion, four hundred forty-one billion, one hundred twenty-two million, four hundred forty-four thousand, four hundred forty-five".