3155224 has 16 divisors (see below), whose sum is σ = 5958000. Its totient is φ = 1566432.

The previous prime is 3155221. The next prime is 3155239. The reversal of 3155224 is 4225513.

It is a junction number, because it is equal to n+sod(n) for n = 3155195 and 3155204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (372375).

Almost surely, 2^3155224 is an apocalyptic number.

It is an amenable number.

3155224 is a deficient number, since it is larger than the sum of its proper divisors (2802776).

3155224 is a wasteful number, since it uses less digits than its factorization.

3155224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802 (or 2798 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 3155224 is about 1776.2950205414. The cubic root of 3155224 is about 146.6707115505.

It can be divided in two parts, 31 and 55224, that added together give a palindrome (55255).

The spelling of 3155224 in words is "three million, one hundred fifty-five thousand, two hundred twenty-four".