3656321222 has 8 divisors (see below), whose sum is σ = 5561728272. Its totient is φ = 1802411800.

The previous prime is 3656321209. The next prime is 3656321233. The reversal of 3656321222 is 2221236563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 12874229 + ... + 12874512.

It is an arithmetic number, because the mean of its divisors is an integer number (695216034).

Almost surely, 2^3656321222 is an apocalyptic number.

3656321222 is a deficient number, since it is larger than the sum of its proper divisors (1905407050).

3656321222 is a wasteful number, since it uses less digits than its factorization.

3656321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25748814.

The product of its digits is 25920, while the sum is 32.

The square root of 3656321222 is about 60467.5220428289. The cubic root of 3656321222 is about 1540.5700399964.

Adding to 3656321222 its reverse (2221236563), we get a palindrome (5877557785).

The spelling of 3656321222 in words is "three billion, six hundred fifty-six million, three hundred twenty-one thousand, two hundred twenty-two".