3223815 has 16 divisors (see below), whose sum is σ = 5895168. Its totient is φ = 1473696.

The previous prime is 3223813. The next prime is 3223817. The reversal of 3223815 is 5183223.

It is an interprime number because it is at equal distance from previous prime (3223813) and next prime (3223817).

It is not a de Polignac number, because 3223815 - 2¹ = 3223813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15247 + ... + 15456.

It is an arithmetic number, because the mean of its divisors is an integer number (368448).

Almost surely, 2^3223815 is an apocalyptic number.

3223815 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3223815 is a deficient number, since it is larger than the sum of its proper divisors (2671353).

3223815 is a wasteful number, since it uses less digits than its factorization.

3223815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30718.

The product of its digits is 1440, while the sum is 24.

The square root of 3223815 is about 1795.4985380111. The cubic root of 3223815 is about 147.7259201884.

The spelling of 3223815 in words is "three million, two hundred twenty-three thousand, eight hundred fifteen".