1922089249 has 4 divisors (see below), whose sum is σ = 1984092160. Its totient is φ = 1860086340.

The previous prime is 1922089219. The next prime is 1922089259. The reversal of 1922089249 is 9429802291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1922089249 is a prime.

It is a super-2 number, since 2×1922089249² = 7388854162242768002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1922089199 and 1922089208.

It is not an unprimeable number, because it can be changed into a prime (1922089219) 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 3 ways as a sum of consecutive naturals, for example, 31001409 + ... + 31001470.

It is an arithmetic number, because the mean of its divisors is an integer number (496023040).

Almost surely, 2^1922089249 is an apocalyptic number.

It is an amenable number.

1922089249 is a deficient number, since it is larger than the sum of its proper divisors (62002911).

1922089249 is an equidigital number, since it uses as much as digits as its factorization.

1922089249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62002910.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1922089249 is about 43841.6383019613. The cubic root of 1922089249 is about 1243.3436571836.

The spelling of 1922089249 in words is "one billion, nine hundred twenty-two million, eighty-nine thousand, two hundred forty-nine".