38222011 has 2 divisors, whose sum is σ = 38222012. Its totient is φ = 38222010.

The previous prime is 38221991. The next prime is 38222027. The reversal of 38222011 is 11022283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38222011 - 2⁵ = 38221979 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38222011.

It is not a weakly prime, because it can be changed into another prime (38222071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19111005 + 19111006.

It is an arithmetic number, because the mean of its divisors is an integer number (19111006).

Almost surely, 2^38222011 is an apocalyptic number.

38222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

38222011 is an equidigital number, since it uses as much as digits as its factorization.

38222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 38222011 is about 6182.3952477984. The cubic root of 38222011 is about 336.8510026471.

Adding to 38222011 its reverse (11022283), we get a palindrome (49244294).

The spelling of 38222011 in words is "thirty-eight million, two hundred twenty-two thousand, eleven".