3220426305 has 72 divisors (see below), whose sum is σ = 5982470208. Its totient is φ = 1598712192.

The previous prime is 3220426301. The next prime is 3220426343. The reversal of 3220426305 is 5036240223.

3220426305 is a `hidden beast` number, since 3 + 2 + 20 + 4 + 2 + 630 + 5 = 666.

It is not a de Polignac number, because 3220426305 - 2² = 3220426301 is a prime.

It is a super-2 number, since 2×3220426305² = 20742291171871906050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3220426301) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11971711 + ... + 11971979.

It is an arithmetic number, because the mean of its divisors is an integer number (83089864).

Almost surely, 2^3220426305 is an apocalyptic number.

It is an amenable number.

3220426305 is a deficient number, since it is larger than the sum of its proper divisors (2762043903).

3220426305 is a wasteful number, since it uses less digits than its factorization.

3220426305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3220426305 is about 56748.8000313663. The cubic root of 3220426305 is about 1476.7414161865.

Adding to 3220426305 its reverse (5036240223), we get a palindrome (8256666528).

The spelling of 3220426305 in words is "three billion, two hundred twenty million, four hundred twenty-six thousand, three hundred five".