4222138756 has 24 divisors (see below), whose sum is σ = 8108726976. Its totient is φ = 1907658720.

The previous prime is 4222138721. The next prime is 4222138757. The reversal of 4222138756 is 6578312224.

It is not an unprimeable number, because it can be changed into a prime (4222138757) by changing a digit.

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, 279951 + ... + 294646.

It is an arithmetic number, because the mean of its divisors is an integer number (337863624).

Almost surely, 2^4222138756 is an apocalyptic number.

It is an amenable number.

4222138756 is a deficient number, since it is larger than the sum of its proper divisors (3886588220).

4222138756 is a wasteful number, since it uses less digits than its factorization.

4222138756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574779 (or 574777 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 4222138756 is about 64977.9867031905. The cubic root of 4222138756 is about 1616.2585449032.

The spelling of 4222138756 in words is "four billion, two hundred twenty-two million, one hundred thirty-eight thousand, seven hundred fifty-six".