2223403 has 16 divisors (see below), whose sum is σ = 2794176. Its totient is φ = 1722240.

The previous prime is 2223391. The next prime is 2223407. The reversal of 2223403 is 3043222.

It is not a de Polignac number, because 2223403 - 2⁵ = 2223371 is a prime.

2223403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2223407) 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, 4593 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (174636).

2^2223403 is an apocalyptic number.

2223403 is a deficient number, since it is larger than the sum of its proper divisors (570773).

2223403 is a wasteful number, since it uses less digits than its factorization.

2223403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2223403 is about 1491.1079773108. The cubic root of 2223403 is about 130.5186968901.

Adding to 2223403 its reverse (3043222), we get a palindrome (5266625).

The spelling of 2223403 in words is "two million, two hundred twenty-three thousand, four hundred three".