4000223220122 has 4 divisors (see below), whose sum is σ = 6000334830186. Its totient is φ = 2000111610060.

The previous prime is 4000223220079. The next prime is 4000223220143. The reversal of 4000223220122 is 2210223220004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2313863857321 + 1686359362801 = 1521139^2 + 1298599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4000223220094 and 4000223220103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000055805029 + ... + 1000055805032.

Almost surely, 2^{4000223220122} is an apocalyptic number.

4000223220122 is a deficient number, since it is larger than the sum of its proper divisors (2000111610064).

4000223220122 is a wasteful number, since it uses less digits than its factorization.

4000223220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000111610063.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 4000223220122 its reverse (2210223220004), we get a palindrome (6210446440126).

The spelling of 4000223220122 in words is "four trillion, two hundred twenty-three million, two hundred twenty thousand, one hundred twenty-two".