22210011597881 has 2 divisors, whose sum is σ = 22210011597882. Its totient is φ = 22210011597880.

The previous prime is 22210011597859. The next prime is 22210011597911. The reversal of 22210011597881 is 18879511001222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11210945475625 + 10999066122256 = 3348275^2 + 3316484^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210011597881 - 2⁶ = 22210011597817 is a prime.

It is a super-2 number, since 2×22210011597881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22210011597821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105005798940 + 11105005798941.

It is an arithmetic number, because the mean of its divisors is an integer number (11105005798941).

Almost surely, 2^{22210011597881} is an apocalyptic number.

It is an amenable number.

22210011597881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210011597881 is an equidigital number, since it uses as much as digits as its factorization.

22210011597881 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 47.

The spelling of 22210011597881 in words is "twenty-two trillion, two hundred ten billion, eleven million, five hundred ninety-seven thousand, eight hundred eighty-one".