3144225 has 48 divisors (see below), whose sum is σ = 6106752. Its totient is φ = 1397760.

The previous prime is 3144221. The next prime is 3144257. The reversal of 3144225 is 5224413.

It is not a de Polignac number, because 3144225 - 2² = 3144221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27769 + ... + 27881.

It is an arithmetic number, because the mean of its divisors is an integer number (127224).

Almost surely, 2^3144225 is an apocalyptic number.

3144225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3144225 is a deficient number, since it is larger than the sum of its proper divisors (2962527).

3144225 is a wasteful number, since it uses less digits than its factorization.

3144225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 181 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 3144225 is about 1773.1962666327. The cubic root of 3144225 is about 146.5000834799.

Adding to 3144225 its reverse (5224413), we get a palindrome (8368638).

The spelling of 3144225 in words is "three million, one hundred forty-four thousand, two hundred twenty-five".