22120312303 has 4 divisors (see below), whose sum is σ = 22141400400. Its totient is φ = 22099224208.

The previous prime is 22120312301. The next prime is 22120312309. The reversal of 22120312303 is 30321302122.

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

It is a cyclic number.

It is not a de Polignac number, because 22120312303 - 2¹ = 22120312301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120312301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10542475 + ... + 10544572.

It is an arithmetic number, because the mean of its divisors is an integer number (5535350100).

Almost surely, 2^22120312303 is an apocalyptic number.

22120312303 is a deficient number, since it is larger than the sum of its proper divisors (21088097).

22120312303 is a wasteful number, since it uses less digits than its factorization.

22120312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088096.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22120312303 its reverse (30321302122), we get a palindrome (52441614425).

The spelling of 22120312303 in words is "twenty-two billion, one hundred twenty million, three hundred twelve thousand, three hundred three".