4243222321042 has 16 divisors (see below), whose sum is σ = 6447160437120. Its totient is φ = 2094300460512.

The previous prime is 4243222321031. The next prime is 4243222321043. The reversal of 4243222321042 is 2401232223424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4243222320995 and 4243222321013.

It is not an unprimeable number, because it can be changed into a prime (4243222321043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32839942 + ... + 32968897.

It is an arithmetic number, because the mean of its divisors is an integer number (402947527320).

Almost surely, 2^{4243222321042} is an apocalyptic number.

4243222321042 is a deficient number, since it is larger than the sum of its proper divisors (2203938116078).

4243222321042 is a wasteful number, since it uses less digits than its factorization.

4243222321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65809257.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4243222321042 its reverse (2401232223424), we get a palindrome (6644454544466).

The spelling of 4243222321042 in words is "four trillion, two hundred forty-three billion, two hundred twenty-two million, three hundred twenty-one thousand, forty-two".