22050097549 has 4 divisors (see below), whose sum is σ = 22411574620. Its totient is φ = 21688620480.

The previous prime is 22050097543. The next prime is 22050097577. The reversal of 22050097549 is 94579005022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94579005022 = 2 ⋅47289502511.

It can be written as a sum of positive squares in 2 ways, for example, as 8071764649 + 13978332900 = 89843^2 + 118230^2 .

It is a cyclic number.

It is not a de Polignac number, because 22050097549 - 2³ = 22050097541 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 (22050097541) 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, 180738444 + ... + 180738565.

It is an arithmetic number, because the mean of its divisors is an integer number (5602893655).

Almost surely, 2^22050097549 is an apocalyptic number.

It is an amenable number.

22050097549 is a deficient number, since it is larger than the sum of its proper divisors (361477071).

22050097549 is an equidigital number, since it uses as much as digits as its factorization.

22050097549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361477070.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 22050097549 in words is "twenty-two billion, fifty million, ninety-seven thousand, five hundred forty-nine".