2126224 has 20 divisors (see below), whose sum is σ = 4362444. Its totient is φ = 1000448.

The previous prime is 2126213. The next prime is 2126227. The reversal of 2126224 is 4226212.

It can be written as a sum of positive squares in 2 ways, for example, as 608400 + 1517824 = 780^2 + 1232^2 .

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2126227) 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, 3637 + ... + 4180.

2^2126224 is an apocalyptic number.

It is an amenable number.

2126224 is an abundant number, since it is smaller than the sum of its proper divisors (2236220).

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

2126224 is a wasteful number, since it uses less digits than its factorization.

2126224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7842 (or 7836 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 2126224 is about 1458.1577418098. The cubic root of 2126224 is about 128.5887590983.

The spelling of 2126224 in words is "two million, one hundred twenty-six thousand, two hundred twenty-four".