43222340242 has 16 divisors (see below), whose sum is σ = 65940065280. Its totient is φ = 21242403952.

The previous prime is 43222340233. The next prime is 43222340321. The reversal of 43222340242 is 24204322234.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43222340242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389168 + ... + 1419940.

It is an arithmetic number, because the mean of its divisors is an integer number (4121254080).

Almost surely, 2^43222340242 is an apocalyptic number.

43222340242 is a deficient number, since it is larger than the sum of its proper divisors (22717725038).

43222340242 is a wasteful number, since it uses less digits than its factorization.

43222340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42737.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 43222340242 its reverse (24204322234), we get a palindrome (67426662476).

The spelling of 43222340242 in words is "forty-three billion, two hundred twenty-two million, three hundred forty thousand, two hundred forty-two".