3222016225 has 12 divisors (see below), whose sum is σ = 4005743616. Its totient is φ = 2570875280.

The previous prime is 3222016199. The next prime is 3222016229. The reversal of 3222016225 is 5226102223.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3222016225 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3222016225.

It is not an unprimeable number, because it can be changed into a prime (3222016229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158677 + ... + 177826.

It is an arithmetic number, because the mean of its divisors is an integer number (333811968).

Almost surely, 2^3222016225 is an apocalyptic number.

It is an amenable number.

3222016225 is a deficient number, since it is larger than the sum of its proper divisors (783727391).

3222016225 is a wasteful number, since it uses less digits than its factorization.

3222016225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336896 (or 336891 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3222016225 is about 56762.8067047429. The cubic root of 3222016225 is about 1476.9843979340.

Adding to 3222016225 its reverse (5226102223), we get a palindrome (8448118448).

The spelling of 3222016225 in words is "three billion, two hundred twenty-two million, sixteen thousand, two hundred twenty-five".