4020440222422 has 16 divisors (see below), whose sum is σ = 6494704957440. Its totient is φ = 1855545602112.

The previous prime is 4020440222401. The next prime is 4020440222453. The reversal of 4020440222422 is 2242220440204.

It is a congruent number.

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, 577647 + ... + 2893882.

It is an arithmetic number, because the mean of its divisors is an integer number (405919059840).

Almost surely, 2^{4020440222422} is an apocalyptic number.

4020440222422 is a deficient number, since it is larger than the sum of its proper divisors (2474264735018).

4020440222422 is a wasteful number, since it uses less digits than its factorization.

4020440222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516087.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4020440222422 its reverse (2242220440204), we get a palindrome (6262660662626).

The spelling of 4020440222422 in words is "four trillion, twenty billion, four hundred forty million, two hundred twenty-two thousand, four hundred twenty-two".