2211122304 has 48 divisors (see below), whose sum is σ = 6362738070. Its totient is φ = 737040384.

The previous prime is 2211122297. The next prime is 2211122351. The reversal of 2211122304 is 4032211122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2020682304 + 190440000 = 44952^2 + 13800^2 .

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 958537 + ... + 960840.

Almost surely, 2^2211122304 is an apocalyptic number.

2211122304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2211122304 is an abundant number, since it is smaller than the sum of its proper divisors (4151615766).

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

2211122304 is a wasteful number, since it uses less digits than its factorization.

2211122304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919397 (or 1919382 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2211122304 is about 47022.5722818308. The cubic root of 2211122304 is about 1302.7795172060.

Adding to 2211122304 its reverse (4032211122), we get a palindrome (6243333426).

The spelling of 2211122304 in words is "two billion, two hundred eleven million, one hundred twenty-two thousand, three hundred four".