22212104881 has 2 divisors, whose sum is σ = 22212104882. Its totient is φ = 22212104880.

The previous prime is 22212104861. The next prime is 22212104899. The reversal of 22212104881 is 18840121222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11190254656 + 11021850225 = 105784^2 + 104985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212104881 is a prime.

It is a super-2 number, since 2×22212104881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22212104861) 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, 11106052440 + 11106052441.

It is an arithmetic number, because the mean of its divisors is an integer number (11106052441).

Almost surely, 2^22212104881 is an apocalyptic number.

It is an amenable number.

22212104881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212104881 is an equidigital number, since it uses as much as digits as its factorization.

22212104881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 31.

The spelling of 22212104881 in words is "twenty-two billion, two hundred twelve million, one hundred four thousand, eight hundred eighty-one".