3221154225 has 36 divisors (see below), whose sum is σ = 5801749200. Its totient is φ = 1708330080.

The previous prime is 3221154193. The next prime is 3221154239. The reversal of 3221154225 is 5224511223.

3221154225 is a `hidden beast` number, since 3 + 221 + 15 + 422 + 5 = 666.

It is not a de Polignac number, because 3221154225 - 2⁵ = 3221154193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 286 + ... + 80264.

It is an arithmetic number, because the mean of its divisors is an integer number (161159700).

Almost surely, 2^3221154225 is an apocalyptic number.

It is an amenable number.

3221154225 is a deficient number, since it is larger than the sum of its proper divisors (2580594975).

3221154225 is a wasteful number, since it uses less digits than its factorization.

3221154225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80174 (or 80166 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 3221154225 is about 56755.2131966747. The cubic root of 3221154225 is about 1476.8526715017.

Adding to 3221154225 its reverse (5224511223), we get a palindrome (8445665448).

It can be divided in two parts, 32211 and 54225, that added together give a square (86436 = 294²).

The spelling of 3221154225 in words is "three billion, two hundred twenty-one million, one hundred fifty-four thousand, two hundred twenty-five".