1042922819 has 4 divisors (see below), whose sum is σ = 1043633280. Its totient is φ = 1042212360.

The previous prime is 1042922813. The next prime is 1042922887. The reversal of 1042922819 is 9182292401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9182292401 = 419 ⋅21914779.

It is a cyclic number.

It is not a de Polignac number, because 1042922819 - 2²⁰ = 1041874243 is a prime.

It is a super-2 number, since 2×1042922819² = 2175376012781813522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042922813) 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, 353024 + ... + 355965.

It is an arithmetic number, because the mean of its divisors is an integer number (260908320).

Almost surely, 2^1042922819 is an apocalyptic number.

1042922819 is a deficient number, since it is larger than the sum of its proper divisors (710461).

1042922819 is an equidigital number, since it uses as much as digits as its factorization.

1042922819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710460.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1042922819 is about 32294.3155833964. The cubic root of 1042922819 is about 1014.1076447648.

The spelling of 1042922819 in words is "one billion, forty-two million, nine hundred twenty-two thousand, eight hundred nineteen".