43220011 has 2 divisors, whose sum is σ = 43220012. Its totient is φ = 43220010.

The previous prime is 43219997. The next prime is 43220017. The reversal of 43220011 is 11002234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43220011 - 2⁹ = 43219499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43219973 and 43220000.

It is not a weakly prime, because it can be changed into another prime (43220017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610005 + 21610006.

It is an arithmetic number, because the mean of its divisors is an integer number (21610006).

Almost surely, 2^43220011 is an apocalyptic number.

43220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

43220011 is an equidigital number, since it uses as much as digits as its factorization.

43220011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 43220011 is about 6574.1928021621. The cubic root of 43220011 is about 350.9362984806.

Adding to 43220011 its reverse (11002234), we get a palindrome (54222245).

The spelling of 43220011 in words is "forty-three million, two hundred twenty thousand, eleven".