2126223 has 16 divisors (see below), whose sum is σ = 3436800. Its totient is φ = 1288440.

The previous prime is 2126213. The next prime is 2126227. The reversal of 2126223 is 3226212.

It is not a de Polignac number, because 2126223 - 2⁵ = 2126191 is a prime.

2126223 is a lucky number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2126196 and 2126205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3283 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (214800).

2^2126223 is an apocalyptic number.

2126223 is a deficient number, since it is larger than the sum of its proper divisors (1310577).

2126223 is a wasteful number, since it uses less digits than its factorization.

2126223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179 (or 7173 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2126223 is about 1458.1573989114. The cubic root of 2126223 is about 128.5887389391.

It can be divided in two parts, 21 and 26223, that added together give a square (26244 = 162²).

The spelling of 2126223 in words is "two million, one hundred twenty-six thousand, two hundred twenty-three".