22052543437 has 2 divisors, whose sum is σ = 22052543438. Its totient is φ = 22052543436.

The previous prime is 22052543417. The next prime is 22052543449. The reversal of 22052543437 is 73434525022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22040668521 + 11874916 = 148461^2 + 3446^2 .

It is a cyclic number.

It is not a de Polignac number, because 22052543437 - 2⁷ = 22052543309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22052543396 and 22052543405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22052543417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026271718 + 11026271719.

It is an arithmetic number, because the mean of its divisors is an integer number (11026271719).

Almost surely, 2^22052543437 is an apocalyptic number.

It is an amenable number.

22052543437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22052543437 is an equidigital number, since it uses as much as digits as its factorization.

22052543437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 37.

The spelling of 22052543437 in words is "twenty-two billion, fifty-two million, five hundred forty-three thousand, four hundred thirty-seven".