22312443403 has 4 divisors (see below), whose sum is σ = 22320406408. Its totient is φ = 22304480400.

The previous prime is 22312443389. The next prime is 22312443493. The reversal of 22312443403 is 30434421322.

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 22312443403 - 2⁹ = 22312442891 is a prime.

It is a super-3 number, since 3×22312443403³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22312443493) 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, 3977298 + ... + 3982903.

It is an arithmetic number, because the mean of its divisors is an integer number (5580101602).

Almost surely, 2^22312443403 is an apocalyptic number.

22312443403 is a deficient number, since it is larger than the sum of its proper divisors (7963005).

22312443403 is an equidigital number, since it uses as much as digits as its factorization.

22312443403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963004.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22312443403 its reverse (30434421322), we get a palindrome (52746864725).

The spelling of 22312443403 in words is "twenty-two billion, three hundred twelve million, four hundred forty-three thousand, four hundred three".