22213003 has 4 divisors (see below), whose sum is σ = 22223520. Its totient is φ = 22202488.

The previous prime is 22212997. The next prime is 22213007. The reversal of 22213003 is 30031222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22213003 - 2¹³ = 22204811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22213007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (5555880).

Almost surely, 2^22213003 is an apocalyptic number.

22213003 is a deficient number, since it is larger than the sum of its proper divisors (10517).

22213003 is an equidigital number, since it uses as much as digits as its factorization.

22213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10516.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22213003 is about 4713.0672602881. The cubic root of 22213003 is about 281.1053374236.

Adding to 22213003 its reverse (30031222), we get a palindrome (52244225).

It can be divided in two parts, 222 and 13003, that added together give a square (13225 = 115²).

The spelling of 22213003 in words is "twenty-two million, two hundred thirteen thousand, three".