1922342819 has 4 divisors (see below), whose sum is σ = 1922457696. Its totient is φ = 1922227944.

The previous prime is 1922342777. The next prime is 1922342827. The reversal of 1922342819 is 9182432291.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9182432291 = 43 ⋅213544937.

It is a cyclic number.

It is not a de Polignac number, because 1922342819 - 2¹² = 1922338723 is a prime.

It is a super-2 number, since 2×1922342819² = 7390803827521733522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1922342839) 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 in 3 ways as a sum of consecutive naturals, for example, 26939 + ... + 67604.

It is an arithmetic number, because the mean of its divisors is an integer number (480614424).

Almost surely, 2^1922342819 is an apocalyptic number.

1922342819 is a deficient number, since it is larger than the sum of its proper divisors (114877).

1922342819 is an equidigital number, since it uses as much as digits as its factorization.

1922342819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114876.

The product of its digits is 62208, while the sum is 41.

The square root of 1922342819 is about 43844.5300921335. The cubic root of 1922342819 is about 1243.3983304665.

The spelling of 1922342819 in words is "one billion, nine hundred twenty-two million, three hundred forty-two thousand, eight hundred nineteen".