2122200220 has 48 divisors (see below), whose sum is σ = 5098480128. Its totient is φ = 726868800.

The previous prime is 2122200209. The next prime is 2122200257. The reversal of 2122200220 is 220022212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122200220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139929 + ... + 154351.

It is an arithmetic number, because the mean of its divisors is an integer number (106218336).

Almost surely, 2^2122200220 is an apocalyptic number.

2122200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122200220 is an abundant number, since it is smaller than the sum of its proper divisors (2976279908).

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

2122200220 is a wasteful number, since it uses less digits than its factorization.

2122200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490 (or 15488 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2122200220 is about 46067.3443992597. The cubic root of 2122200220 is about 1285.0759179359.

Adding to 2122200220 its reverse (220022212), we get a palindrome (2342222432).

The spelling of 2122200220 in words is "two billion, one hundred twenty-two million, two hundred thousand, two hundred twenty".