3161224 has 16 divisors (see below), whose sum is σ = 6466320. Its totient is φ = 1436880.

The previous prime is 3161209. The next prime is 3161227. The reversal of 3161224 is 4221613.

It is not an unprimeable number, because it can be changed into a prime (3161227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17874 + ... + 18049.

It is an arithmetic number, because the mean of its divisors is an integer number (404145).

Almost surely, 2^3161224 is an apocalyptic number.

It is an amenable number.

3161224 is an abundant number, since it is smaller than the sum of its proper divisors (3305096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161224 is a wasteful number, since it uses less digits than its factorization.

3161224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35940 (or 35936 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 3161224 is about 1777.9831270291. The cubic root of 3161224 is about 146.7636227604.

Adding to 3161224 its reverse (4221613), we get a palindrome (7382837).

It can be divided in two parts, 316 and 1224, that added together give a triangular number (1540 = T₅₅).

The spelling of 3161224 in words is "three million, one hundred sixty-one thousand, two hundred twenty-four".