22400034243 has 4 divisors (see below), whose sum is σ = 29866712328. Its totient is φ = 14933356160.

The previous prime is 22400034233. The next prime is 22400034277. The reversal of 22400034243 is 34243000422.

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 22400034243 - 2²⁹ = 21863163331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22400034233) 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, 3733339038 + ... + 3733339043.

It is an arithmetic number, because the mean of its divisors is an integer number (7466678082).

Almost surely, 2^22400034243 is an apocalyptic number.

22400034243 is a deficient number, since it is larger than the sum of its proper divisors (7466678085).

22400034243 is an equidigital number, since it uses as much as digits as its factorization.

22400034243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466678084.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22400034243 its reverse (34243000422), we get a palindrome (56643034665).

The spelling of 22400034243 in words is "twenty-two billion, four hundred million, thirty-four thousand, two hundred forty-three".