1922041609 has 8 divisors (see below), whose sum is σ = 1934412480. Its totient is φ = 1909709616.

The previous prime is 1922041603. The next prime is 1922041651. The reversal of 1922041609 is 9061402291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1922041609 - 2²⁷ = 1787823881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1922041603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92914 + ... + 111700.

It is an arithmetic number, because the mean of its divisors is an integer number (241801560).

Almost surely, 2^1922041609 is an apocalyptic number.

It is an amenable number.

1922041609 is a deficient number, since it is larger than the sum of its proper divisors (12370871).

1922041609 is a wasteful number, since it uses less digits than its factorization.

1922041609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19439.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1922041609 is about 43841.0949794824. The cubic root of 1922041609 is about 1243.3333847884. Note that the first 4 decimals are identical.

The spelling of 1922041609 in words is "one billion, nine hundred twenty-two million, forty-one thousand, six hundred nine".