10222022581 has 2 divisors, whose sum is σ = 10222022582. Its totient is φ = 10222022580.

The previous prime is 10222022501. The next prime is 10222022627. The reversal of 10222022581 is 18522022201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5988438225 + 4233584356 = 77385^2 + 65066^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222022581 - 2¹⁷ = 10221891509 is a prime.

It is a super-2 number, since 2×10222022581² (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 (10222022501) 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, 5111011290 + 5111011291.

It is an arithmetic number, because the mean of its divisors is an integer number (5111011291).

Almost surely, 2^10222022581 is an apocalyptic number.

It is an amenable number.

10222022581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222022581 is an equidigital number, since it uses as much as digits as its factorization.

10222022581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 10222022581 its reverse (18522022201), we get a palindrome (28744044782).

The spelling of 10222022581 in words is "ten billion, two hundred twenty-two million, twenty-two thousand, five hundred eighty-one".