3222505215 has 20 divisors (see below), whose sum is σ = 5776639704. Its totient is φ = 1718669232.

The previous prime is 3222505199. The next prime is 3222505219. The reversal of 3222505215 is 5125052223.

3222505215 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 3222505215 - 2⁴ = 3222505199 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 (3222505219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3977997 + ... + 3978806.

Almost surely, 2^3222505215 is an apocalyptic number.

3222505215 is a deficient number, since it is larger than the sum of its proper divisors (2554134489).

3222505215 is an equidigital number, since it uses as much as digits as its factorization.

3222505215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956820 (or 7956811 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3222505215 is about 56767.1138512431. The cubic root of 3222505215 is about 1477.0591124416.

Adding to 3222505215 its reverse (5125052223), we get a palindrome (8347557438).

The spelling of 3222505215 in words is "three billion, two hundred twenty-two million, five hundred five thousand, two hundred fifteen".