2220561222 has 32 divisors (see below), whose sum is σ = 4872890880. Its totient is φ = 669004320.

The previous prime is 2220561181. The next prime is 2220561247. The reversal of 2220561222 is 2221650222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2220561192 and 2220561201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85822 + ... + 108657.

It is an arithmetic number, because the mean of its divisors is an integer number (152277840).

Almost surely, 2^2220561222 is an apocalyptic number.

2220561222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2220561222 is an abundant number, since it is smaller than the sum of its proper divisors (2652329658).

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

2220561222 is a wasteful number, since it uses less digits than its factorization.

2220561222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194668.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2220561222 is about 47122.8312179988. The cubic root of 2220561222 is about 1304.6306695488.

The spelling of 2220561222 in words is "two billion, two hundred twenty million, five hundred sixty-one thousand, two hundred twenty-two".