22434121243 has 4 divisors (see below), whose sum is σ = 22435907760. Its totient is φ = 22432334728.

The previous prime is 22434121231. The next prime is 22434121267. The reversal of 22434121243 is 34212143422.

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 22434121243 - 2²¹ = 22432024091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22434128243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874288 + ... + 899581.

It is an arithmetic number, because the mean of its divisors is an integer number (5608976940).

Almost surely, 2^22434121243 is an apocalyptic number.

22434121243 is a deficient number, since it is larger than the sum of its proper divisors (1786517).

22434121243 is a wasteful number, since it uses less digits than its factorization.

22434121243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786516.

The product of its digits is 9216, while the sum is 28.

Adding to 22434121243 its reverse (34212143422), we get a palindrome (56646264665).

The spelling of 22434121243 in words is "twenty-two billion, four hundred thirty-four million, one hundred twenty-one thousand, two hundred forty-three".