22220002220 has 48 divisors (see below), whose sum is σ = 50318744448. Its totient is φ = 8193312000.

The previous prime is 22220002199. The next prime is 22220002241. The reversal of 22220002220 is 2220002222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22220002199) and next prime (22220002241).

It is a junction number, because it is equal to n+sod(n) for n = 22220002195 and 22220002204.

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 15 ways as a sum of consecutive naturals, for example, 138362 + ... + 252158.

It is an arithmetic number, because the mean of its divisors is an integer number (1048307176).

Almost surely, 2^22220002220 is an apocalyptic number.

22220002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220002220 is an abundant number, since it is smaller than the sum of its proper divisors (28098742228).

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

22220002220 is a wasteful number, since it uses less digits than its factorization.

22220002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114570 (or 114568 counting only the distinct ones).

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

Adding to 22220002220 its reverse (2220002222), we get a palindrome (24440004442).

The spelling of 22220002220 in words is "twenty-two billion, two hundred twenty million, two thousand, two hundred twenty".