3222215 has 4 divisors (see below), whose sum is σ = 3866664. Its totient is φ = 2577768.

The previous prime is 3222211. The next prime is 3222217. The reversal of 3222215 is 5122223.

3222215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5122223 = 31 ⋅165233.

It is a cyclic number.

It is not a de Polignac number, because 3222215 - 2² = 3222211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3222193 and 3222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222211) 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 3 ways as a sum of consecutive naturals, for example, 322217 + ... + 322226.

It is an arithmetic number, because the mean of its divisors is an integer number (966666).

Almost surely, 2^3222215 is an apocalyptic number.

3222215 is a deficient number, since it is larger than the sum of its proper divisors (644449).

3222215 is an equidigital number, since it uses as much as digits as its factorization.

3222215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644448.

The product of its digits is 240, while the sum is 17.

The square root of 3222215 is about 1795.0529240109. The cubic root of 3222215 is about 147.7014770379.

Adding to 3222215 its reverse (5122223), we get a palindrome (8344438).

The spelling of 3222215 in words is "three million, two hundred twenty-two thousand, two hundred fifteen".