22171270083437 has 2 divisors, whose sum is σ = 22171270083438. Its totient is φ = 22171270083436.

The previous prime is 22171270083427. The next prime is 22171270083481. The reversal of 22171270083437 is 73438007217122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18428569708201 + 3742700375236 = 4292851^2 + 1934606^2 .

It is a cyclic number.

It is not a de Polignac number, because 22171270083437 - 2¹⁶ = 22171270017901 is a prime.

It is a super-2 number, since 2×22171270083437² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22171270083391 and 22171270083400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22171270083427) by changing a digit.

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 as a sum of consecutive naturals, namely, 11085635041718 + 11085635041719.

It is an arithmetic number, because the mean of its divisors is an integer number (11085635041719).

Almost surely, 2^{22171270083437} is an apocalyptic number.

It is an amenable number.

22171270083437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22171270083437 is an equidigital number, since it uses as much as digits as its factorization.

22171270083437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 22171270083437 in words is "twenty-two trillion, one hundred seventy-one billion, two hundred seventy million, eighty-three thousand, four hundred thirty-seven".