22038651871 has 2 divisors, whose sum is σ = 22038651872. Its totient is φ = 22038651870.

The previous prime is 22038651851. The next prime is 22038651953. The reversal of 22038651871 is 17815683022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22038651871 - 2¹¹ = 22038649823 is a prime.

It is a super-2 number, since 2×22038651871² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22038651851) 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, 11019325935 + 11019325936.

It is an arithmetic number, because the mean of its divisors is an integer number (11019325936).

Almost surely, 2^22038651871 is an apocalyptic number.

22038651871 is a deficient number, since it is larger than the sum of its proper divisors (1).

22038651871 is an equidigital number, since it uses as much as digits as its factorization.

22038651871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 22038651871 in words is "twenty-two billion, thirty-eight million, six hundred fifty-one thousand, eight hundred seventy-one".