Search a number
-
+
222223160881 is a prime number
BaseRepresentation
bin1100111011110110001…
…0000101011000110001
3210020121010002020011001
43032331202011120301
512120103112122011
6250030553322001
722024616462341
oct3167542053061
9706533066131
10222223160881
11862761a9967
123709a106301
1317c56477507
14aa81752d21
155ba94847c1
hex33bd885631

222223160881 has 2 divisors, whose sum is σ = 222223160882. Its totient is φ = 222223160880.

The previous prime is 222223160879. The next prime is 222223160909. The reversal of 222223160881 is 188061322222.

222223160881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196443968400 + 25779192481 = 443220^2 + 160559^2 .

It is a cyclic number.

It is not a de Polignac number, because 222223160881 - 21 = 222223160879 is a prime.

It is a super-2 number, since 2×2222231608812 (a number of 23 digits) contains 22 as substring.

Together with 222223160879, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222223160881.

It is not a weakly prime, because it can be changed into another prime (222223160281) 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, 111111580440 + 111111580441.

It is an arithmetic number, because the mean of its divisors is an integer number (111111580441).

Almost surely, 2222223160881 is an apocalyptic number.

It is an amenable number.

222223160881 is a deficient number, since it is larger than the sum of its proper divisors (1).

222223160881 is an equidigital number, since it uses as much as digits as its factorization.

222223160881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 222223160881 in words is "two hundred twenty-two billion, two hundred twenty-three million, one hundred sixty thousand, eight hundred eighty-one".