2831224 has 16 divisors (see below), whose sum is σ = 5791320. Its totient is φ = 1286880.

The previous prime is 2831221. The next prime is 2831237. The reversal of 2831224 is 4221382.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2831195 and 2831204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831221) 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, 15999 + ... + 16174.

2^2831224 is an apocalyptic number.

It is an amenable number.

2831224 is an abundant number, since it is smaller than the sum of its proper divisors (2960096).

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

2831224 is a wasteful number, since it uses less digits than its factorization.

2831224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32190 (or 32186 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2831224 is about 1682.6241410369. The cubic root of 2831224 is about 141.4679554684.

The spelling of 2831224 in words is "two million, eight hundred thirty-one thousand, two hundred twenty-four".