22143433242 has 32 divisors (see below), whose sum is σ = 50667668352. Its totient is φ = 6319931904.

The previous prime is 22143433187. The next prime is 22143433243. The reversal of 22143433242 is 24233434122.

It is not an unprimeable number, because it can be changed into a prime (22143433243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241983 + ... + 320690.

It is an arithmetic number, because the mean of its divisors is an integer number (1583364636).

Almost surely, 2^22143433242 is an apocalyptic number.

22143433242 is an abundant number, since it is smaller than the sum of its proper divisors (28524235110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22143433242 is a wasteful number, since it uses less digits than its factorization.

22143433242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563622.

The product of its digits is 27648, while the sum is 30.

Adding to 22143433242 its reverse (24233434122), we get a palindrome (46376867364).

The spelling of 22143433242 in words is "twenty-two billion, one hundred forty-three million, four hundred thirty-three thousand, two hundred forty-two".