3822487909 has 4 divisors (see below), whose sum is σ = 3829825260. Its totient is φ = 3815150560.

The previous prime is 3822487897. The next prime is 3822487913. The reversal of 3822487909 is 9097842283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 521985409 + 3300502500 = 22847^2 + 57450^2 .

It is a cyclic number.

It is not a de Polignac number, because 3822487909 - 2¹¹ = 3822485861 is a prime.

It is a super-2 number, since 2×3822487909² = 29222827628902384562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3822487919) 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, 3667894 + ... + 3668935.

It is an arithmetic number, because the mean of its divisors is an integer number (957456315).

Almost surely, 2^3822487909 is an apocalyptic number.

It is an amenable number.

3822487909 is a deficient number, since it is larger than the sum of its proper divisors (7337351).

3822487909 is an equidigital number, since it uses as much as digits as its factorization.

3822487909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337350.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 3822487909 is about 61826.2719966197. The cubic root of 3822487909 is about 1563.5629592201.

The spelling of 3822487909 in words is "three billion, eight hundred twenty-two million, four hundred eighty-seven thousand, nine hundred nine".