22212123303 has 4 divisors (see below), whose sum is σ = 29616164408. Its totient is φ = 14808082200.

The previous prime is 22212123289. The next prime is 22212123331. The reversal of 22212123303 is 30332121222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22212123303 - 2⁸ = 22212123047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212123303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212121303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702020548 + ... + 3702020553.

It is an arithmetic number, because the mean of its divisors is an integer number (7404041102).

Almost surely, 2^22212123303 is an apocalyptic number.

22212123303 is a deficient number, since it is larger than the sum of its proper divisors (7404041105).

22212123303 is an equidigital number, since it uses as much as digits as its factorization.

22212123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404041104.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22212123303 its reverse (30332121222), we get a palindrome (52544244525).

The spelling of 22212123303 in words is "twenty-two billion, two hundred twelve million, one hundred twenty-three thousand, three hundred three".