2201222322 has 96 divisors (see below), whose sum is σ = 5626136880. Its totient is φ = 615444480.

The previous prime is 2201222251. The next prime is 2201222347. The reversal of 2201222322 is 2232221022.

2201222322 is a `hidden beast` number, since 220 + 122 + 2 + 322 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 638522361 + 1562699961 = 25269^2 + 39531^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2201222295 and 2201222304.

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 47 ways as a sum of consecutive naturals, for example, 105822 + ... + 124902.

Almost surely, 2^2201222322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201222322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2813068440).

2201222322 is an abundant number, since it is smaller than the sum of its proper divisors (3424914558).

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

2201222322 is a wasteful number, since it uses less digits than its factorization.

2201222322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19148 (or 19145 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2201222322 is about 46917.1857851683. The cubic root of 2201222322 is about 1300.8322721860.

Adding to 2201222322 its reverse (2232221022), we get a palindrome (4433443344).

The spelling of 2201222322 in words is "two billion, two hundred one million, two hundred twenty-two thousand, three hundred twenty-two".