2220044002 has 16 divisors (see below), whose sum is σ = 3633522624. Its totient is φ = 1008910000.

The previous prime is 2220043981. The next prime is 2220044009. The reversal of 2220044002 is 2004400222.

It is not an unprimeable number, because it can be changed into a prime (2220044009) 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, 213627 + ... + 223777.

It is an arithmetic number, because the mean of its divisors is an integer number (227095164).

Almost surely, 2^2220044002 is an apocalyptic number.

2220044002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2220044002 is a deficient number, since it is larger than the sum of its proper divisors (1413478622).

2220044002 is a wasteful number, since it uses less digits than its factorization.

2220044002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20105.

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

The square root of 2220044002 is about 47117.3429004650. The cubic root of 2220044002 is about 1304.5293688107.

Adding to 2220044002 its reverse (2004400222), we get a palindrome (4224444224).

The spelling of 2220044002 in words is "two billion, two hundred twenty million, forty-four thousand, two".