2238942019 has 2 divisors, whose sum is σ = 2238942020. Its totient is φ = 2238942018.

The previous prime is 2238942011. The next prime is 2238942023. The reversal of 2238942019 is 9102498322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2238942019 - 2³ = 2238942011 is a prime.

It is a super-2 number, since 2×2238942019² = 10025722728887592722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2238942011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119471009 + 1119471010.

It is an arithmetic number, because the mean of its divisors is an integer number (1119471010).

Almost surely, 2^2238942019 is an apocalyptic number.

2238942019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238942019 is an equidigital number, since it uses as much as digits as its factorization.

2238942019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2238942019 is about 47317.4599804343. The cubic root of 2238942019 is about 1308.2204960399.

The spelling of 2238942019 in words is "two billion, two hundred thirty-eight million, nine hundred forty-two thousand, nineteen".