4003122220 has 12 divisors (see below), whose sum is σ = 8406556704. Its totient is φ = 1601248880.

The previous prime is 4003122191. The next prime is 4003122247. The reversal of 4003122220 is 222213004.

It is a junction number, because it is equal to n+sod(n) for n = 4003122194 and 4003122203.

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 3 ways as a sum of consecutive naturals, for example, 100078036 + ... + 100078075.

It is an arithmetic number, because the mean of its divisors is an integer number (700546392).

Almost surely, 2^4003122220 is an apocalyptic number.

It is an amenable number.

4003122220 is an abundant number, since it is smaller than the sum of its proper divisors (4403434484).

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

4003122220 is a wasteful number, since it uses less digits than its factorization.

4003122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200156120 (or 200156118 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4003122220 is about 63270.2317049653. The cubic root of 4003122220 is about 1587.8139624964.

Adding to 4003122220 its reverse (222213004), we get a palindrome (4225335224).

The spelling of 4003122220 in words is "four billion, three million, one hundred twenty-two thousand, two hundred twenty".