3228813769 has 4 divisors (see below), whose sum is σ = 3316079044. Its totient is φ = 3141548496.

The previous prime is 3228813751. The next prime is 3228813779. The reversal of 3228813769 is 9673188223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9673188223 = 23 ⋅420573401.

It can be written as a sum of positive squares in 2 ways, for example, as 1166564025 + 2062249744 = 34155^2 + 45412^2 .

It is a cyclic number.

It is not a de Polignac number, because 3228813769 - 2⁵ = 3228813737 is a prime.

It is a super-2 number, since 2×3228813769² = 20850476709767970722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3228813719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43632582 + ... + 43632655.

It is an arithmetic number, because the mean of its divisors is an integer number (829019761).

Almost surely, 2^3228813769 is an apocalyptic number.

It is an amenable number.

3228813769 is a deficient number, since it is larger than the sum of its proper divisors (87265275).

3228813769 is an equidigital number, since it uses as much as digits as its factorization.

3228813769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87265274.

The product of its digits is 870912, while the sum is 49.

The square root of 3228813769 is about 56822.6519004525. The cubic root of 3228813769 is about 1478.0223416280.

The spelling of 3228813769 in words is "three billion, two hundred twenty-eight million, eight hundred thirteen thousand, seven hundred sixty-nine".