2220220002 has 256 divisors, whose sum is σ = 6246309888. Its totient is φ = 507617280.

The previous prime is 2220219943. The next prime is 2220220021. The reversal of 2220220002 is 2000220222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220220002.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21555483 + ... + 21555585.

It is an arithmetic number, because the mean of its divisors is an integer number (24399648).

Almost surely, 2^2220220002 is an apocalyptic number.

2220220002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220220002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3123154944).

2220220002 is an abundant number, since it is smaller than the sum of its proper divisors (4026089886).

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

2220220002 is a wasteful number, since it uses less digits than its factorization.

2220220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2220220002 is about 47119.2105409248. The cubic root of 2220220002 is about 1304.5638412658.

Adding to 2220220002 its reverse (2000220222), we get a palindrome (4220440224).

It can be divided in two parts, 2220 and 220002, that added together give a palindrome (222222).

The spelling of 2220220002 in words is "two billion, two hundred twenty million, two hundred twenty thousand, two".