4021434123422 has 16 divisors (see below), whose sum is σ = 6054023052000. Its totient is φ = 2003435178720.

The previous prime is 4021434123419. The next prime is 4021434123437. The reversal of 4021434123422 is 2243214341204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1263329 + ... + 3104652.

It is an arithmetic number, because the mean of its divisors is an integer number (378376440750).

Almost surely, 2^{4021434123422} is an apocalyptic number.

4021434123422 is a deficient number, since it is larger than the sum of its proper divisors (2032588928578).

4021434123422 is a wasteful number, since it uses less digits than its factorization.

4021434123422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369651.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4021434123422 its reverse (2243214341204), we get a palindrome (6264648464626).

The spelling of 4021434123422 in words is "four trillion, twenty-one billion, four hundred thirty-four million, one hundred twenty-three thousand, four hundred twenty-two".