2223826 has 16 divisors (see below), whose sum is σ = 3662208. Its totient is φ = 1004400.

The previous prime is 2223773. The next prime is 2223829. The reversal of 2223826 is 6283222.

2223826 is nontrivially palindromic in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 2223826.

It is not an unprimeable number, because it can be changed into a prime (2223829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5776 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (228888).

2^2223826 is an apocalyptic number.

2223826 is the 746-th decagonal number.

2223826 is a deficient number, since it is larger than the sum of its proper divisors (1438382).

2223826 is a wasteful number, since it uses less digits than its factorization.

2223826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its digits is 2304, while the sum is 25.

The square root of 2223826 is about 1491.2498113998. The cubic root of 2223826 is about 130.5269733785.

The spelling of 2223826 in words is "two million, two hundred twenty-three thousand, eight hundred twenty-six".