2122443019 has 2 divisors, whose sum is σ = 2122443020. Its totient is φ = 2122443018.

The previous prime is 2122443017. The next prime is 2122443031. The reversal of 2122443019 is 9103442212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122443019 - 2¹ = 2122443017 is a prime.

It is a super-2 number, since 2×2122443019² = 9009528737803668722, which contains 22 as substring.

Together with 2122443017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2122443017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061221509 + 1061221510.

It is an arithmetic number, because the mean of its divisors is an integer number (1061221510).

Almost surely, 2^2122443019 is an apocalyptic number.

2122443019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122443019 is an equidigital number, since it uses as much as digits as its factorization.

2122443019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2122443019 is about 46069.9795854090. The cubic root of 2122443019 is about 1285.1249241900.

It can be divided in two parts, 21224430 and 19, that added together give a square (21224449 = 4607²).

The spelling of 2122443019 in words is "two billion, one hundred twenty-two million, four hundred forty-three thousand, nineteen".