1222016336 has 20 divisors (see below), whose sum is σ = 2412331092. Its totient is φ = 599479296.

The previous prime is 1222016333. The next prime is 1222016347. The reversal of 1222016336 is 6336102221.

It can be written as a sum of positive squares in 2 ways, for example, as 961000000 + 261016336 = 31000^2 + 16156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222016333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719681 + ... + 721376.

Almost surely, 2^1222016336 is an apocalyptic number.

1222016336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1222016336 is a deficient number, since it is larger than the sum of its proper divisors (1190314756).

1222016336 is a wasteful number, since it uses less digits than its factorization.

1222016336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441118 (or 1441112 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1222016336 is about 34957.3502428316. The cubic root of 1222016336 is about 1069.1180714340.

Adding to 1222016336 its reverse (6336102221), we get a palindrome (7558118557).

The spelling of 1222016336 in words is "one billion, two hundred twenty-two million, sixteen thousand, three hundred thirty-six".