22243321773 has 6 divisors (see below), whose sum is σ = 32129242574. Its totient is φ = 14828881176.

The previous prime is 22243321769. The next prime is 22243321777. The reversal of 22243321773 is 37712334222.

22243321773 is a `hidden beast` number, since 2 + 2 + 2 + 433 + 217 + 7 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (22243321769) and next prime (22243321777).

It can be written as a sum of positive squares in only one way, i.e., 22113771849 + 129549924 = 148707^2 + 11382^2 .

It is not a de Polignac number, because 22243321773 - 2² = 22243321769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243321777) 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, 1235740090 + ... + 1235740107.

Almost surely, 2^22243321773 is an apocalyptic number.

It is an amenable number.

22243321773 is a deficient number, since it is larger than the sum of its proper divisors (9885920801).

22243321773 is a wasteful number, since it uses less digits than its factorization.

22243321773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471480203 (or 2471480200 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

Adding to 22243321773 its reverse (37712334222), we get a palindrome (59955655995).

The spelling of 22243321773 in words is "twenty-two billion, two hundred forty-three million, three hundred twenty-one thousand, seven hundred seventy-three".