4000422220 has 24 divisors (see below), whose sum is σ = 8404187904. Its totient is φ = 1599540096.

The previous prime is 4000422113. The next prime is 4000422227. The reversal of 4000422220 is 222240004.

It is a junction number, because it is equal to n+sod(n) for n = 4000422194 and 4000422203.

It is not an unprimeable number, because it can be changed into a prime (4000422227) 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, 14677 + ... + 90643.

It is an arithmetic number, because the mean of its divisors is an integer number (350174496).

Almost surely, 2^4000422220 is an apocalyptic number.

It is an amenable number.

4000422220 is an abundant number, since it is smaller than the sum of its proper divisors (4403765684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000422220 is a wasteful number, since it uses less digits than its factorization.

4000422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78609 (or 78607 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4000422220 is about 63248.8910574723. The cubic root of 4000422220 is about 1587.4569027092.

Adding to 4000422220 its reverse (222240004), we get a palindrome (4222662224).

The spelling of 4000422220 in words is "four billion, four hundred twenty-two thousand, two hundred twenty".