3220606469 has 4 divisors (see below), whose sum is σ = 3241120044. Its totient is φ = 3200092896.

The previous prime is 3220606439. The next prime is 3220606471. The reversal of 3220606469 is 9646060223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9646060223 = 31 ⋅311163233.

It can be written as a sum of positive squares in 2 ways, for example, as 271030369 + 2949576100 = 16463^2 + 54310^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220606469 - 2²⁴ = 3203829253 is a prime.

It is a super-2 number, since 2×3220606469² = 20744612056329295922, 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 (3220606409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10256552 + ... + 10256865.

It is an arithmetic number, because the mean of its divisors is an integer number (810280011).

Almost surely, 2^3220606469 is an apocalyptic number.

It is an amenable number.

3220606469 is a deficient number, since it is larger than the sum of its proper divisors (20513575).

3220606469 is a wasteful number, since it uses less digits than its factorization.

3220606469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20513574.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 3220606469 is about 56750.3873907483. The cubic root of 3220606469 is about 1476.7689540189.

The spelling of 3220606469 in words is "three billion, two hundred twenty million, six hundred six thousand, four hundred sixty-nine".