2247722216 has 16 divisors (see below), whose sum is σ = 4242766500. Its totient is φ = 1116317824.

The previous prime is 2247722179. The next prime is 2247722237. The reversal of 2247722216 is 6122277422.

It can be written as a sum of positive squares in 2 ways, for example, as 2024100100 + 223622116 = 44990^2 + 14954^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941645 + ... + 944028.

Almost surely, 2^2247722216 is an apocalyptic number.

It is an amenable number.

2247722216 is a deficient number, since it is larger than the sum of its proper divisors (1995044284).

2247722216 is a wasteful number, since it uses less digits than its factorization.

2247722216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885828 (or 1885824 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 2247722216 is about 47410.1488713124. The cubic root of 2247722216 is about 1309.9283638935.

Adding to 2247722216 its reverse (6122277422), we get a palindrome (8369999638).

The spelling of 2247722216 in words is "two billion, two hundred forty-seven million, seven hundred twenty-two thousand, two hundred sixteen".