22241053905649 has 4 divisors (see below), whose sum is σ = 22241151880164. Its totient is φ = 22240955931136.

The previous prime is 22241053905617. The next prime is 22241053905739. The reversal of 22241053905649 is 94650935014222.

It is a happy number.

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 13468753200400 + 8772300705249 = 3669980^2 + 2961807^2 .

It is a cyclic number.

It is not a de Polignac number, because 22241053905649 - 2⁵ = 22241053905617 is a prime.

It is a super-2 number, since 2×22241053905649² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22241053905596 and 22241053905605.

It is not an unprimeable number, because it can be changed into a prime (22241053905349) 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, 48645952 + ... + 49101025.

It is an arithmetic number, because the mean of its divisors is an integer number (5560287970041).

Almost surely, 2^{22241053905649} is an apocalyptic number.

It is an amenable number.

22241053905649 is a deficient number, since it is larger than the sum of its proper divisors (97974515).

22241053905649 is an equidigital number, since it uses as much as digits as its factorization.

22241053905649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97974514.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 22241053905649 in words is "twenty-two trillion, two hundred forty-one billion, fifty-three million, nine hundred five thousand, six hundred forty-nine".