2238942011 has 2 divisors, whose sum is σ = 2238942012. Its totient is φ = 2238942010.

The previous prime is 2238942001. The next prime is 2238942019. The reversal of 2238942011 is 1102498322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2238942011 - 2¹⁴ = 2238925627 is a prime.

It is a super-2 number, since 2×2238942011² = 10025722657241448242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2238942019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119471005 + 1119471006.

It is an arithmetic number, because the mean of its divisors is an integer number (1119471006).

Almost surely, 2^2238942011 is an apocalyptic number.

2238942011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238942011 is an equidigital number, since it uses as much as digits as its factorization.

2238942011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2238942011 is about 47317.4598958989. The cubic root of 2238942011 is about 1308.2204944817.

The spelling of 2238942011 in words is "two billion, two hundred thirty-eight million, nine hundred forty-two thousand, eleven".