2220004220 has 24 divisors (see below), whose sum is σ = 5328010464. Its totient is φ = 761144256.

The previous prime is 2220004219. The next prime is 2220004223. The reversal of 2220004220 is 224000222.

It is a super-3 number, since 3×2220004220³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2220004195 and 2220004204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220004223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7928447 + ... + 7928726.

It is an arithmetic number, because the mean of its divisors is an integer number (222000436).

Almost surely, 2^2220004220 is an apocalyptic number.

2220004220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220004220 is an abundant number, since it is smaller than the sum of its proper divisors (3108006244).

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

2220004220 is a wasteful number, since it uses less digits than its factorization.

2220004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857189 (or 15857187 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2220004220 is about 47116.9207397937. The cubic root of 2220004220 is about 1304.5215766082.

Adding to 2220004220 its reverse (224000222), we get a palindrome (2444004442).

The spelling of 2220004220 in words is "two billion, two hundred twenty million, four thousand, two hundred twenty".