22400033243 has 4 divisors (see below), whose sum is σ = 25600038000. Its totient is φ = 19200028488.

The previous prime is 22400033213. The next prime is 22400033273. The reversal of 22400033243 is 34233000422.

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

It is an interprime number because it is at equal distance from previous prime (22400033213) and next prime (22400033273).

It is a cyclic number.

It is not a de Polignac number, because 22400033243 - 2¹⁰ = 22400032219 is a prime.

It is a super-2 number, since 2×22400033243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400033203) 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, 1600002368 + ... + 1600002381.

It is an arithmetic number, because the mean of its divisors is an integer number (6400009500).

Almost surely, 2^22400033243 is an apocalyptic number.

22400033243 is a deficient number, since it is larger than the sum of its proper divisors (3200004757).

22400033243 is an equidigital number, since it uses as much as digits as its factorization.

22400033243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200004756.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 22400033243 its reverse (34233000422), we get a palindrome (56633033665).

The spelling of 22400033243 in words is "twenty-two billion, four hundred million, thirty-three thousand, two hundred forty-three".