3220463 has 4 divisors (see below), whose sum is σ = 3409920. Its totient is φ = 3031008.

The previous prime is 3220453. The next prime is 3220471. The reversal of 3220463 is 3640223.

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

It is a cyclic number.

It is not a de Polignac number, because 3220463 - 2⁴ = 3220447 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94703 + ... + 94736.

It is an arithmetic number, because the mean of its divisors is an integer number (852480).

Almost surely, 2^3220463 is an apocalyptic number.

3220463 is a deficient number, since it is larger than the sum of its proper divisors (189457).

3220463 is a wasteful number, since it uses less digits than its factorization.

3220463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189456.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3220463 is about 1794.5648497616. The cubic root of 3220463 is about 147.6747025053.

Adding to 3220463 its reverse (3640223), we get a palindrome (6860686).

The spelling of 3220463 in words is "three million, two hundred twenty thousand, four hundred sixty-three".