22184502881 has 2 divisors, whose sum is σ = 22184502882. Its totient is φ = 22184502880.

The previous prime is 22184502871. The next prime is 22184502919. The reversal of 22184502881 is 18820548122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16037942881 + 6146560000 = 126641^2 + 78400^2 .

It is a cyclic number.

It is not a de Polignac number, because 22184502881 - 2⁶ = 22184502817 is a prime.

It is a super-2 number, since 2×22184502881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22184502811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11092251440 + 11092251441.

It is an arithmetic number, because the mean of its divisors is an integer number (11092251441).

Almost surely, 2^22184502881 is an apocalyptic number.

It is an amenable number.

22184502881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22184502881 is an equidigital number, since it uses as much as digits as its factorization.

22184502881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81920, while the sum is 41.

The spelling of 22184502881 in words is "twenty-two billion, one hundred eighty-four million, five hundred two thousand, eight hundred eighty-one".