3220695 has 16 divisors (see below), whose sum is σ = 5725920. Its totient is φ = 1717632.

The previous prime is 3220681. The next prime is 3220699. The reversal of 3220695 is 5960223.

3220695 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3220695 - 2⁵ = 3220663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11794 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (357870).

Almost surely, 2^3220695 is an apocalyptic number.

3220695 is a deficient number, since it is larger than the sum of its proper divisors (2505225).

3220695 is a wasteful number, since it uses less digits than its factorization.

3220695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23871 (or 23865 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3220695 is about 1794.6294882231. The cubic root of 3220695 is about 147.6782485490.

The spelling of 3220695 in words is "three million, two hundred twenty thousand, six hundred ninety-five".