1222615106 has 8 divisors (see below), whose sum is σ = 1839365580. Its totient is φ = 609493248.

The previous prime is 1222615091. The next prime is 1222615127. The reversal of 1222615106 is 6015162221.

It can be written as a sum of positive squares in 2 ways, for example, as 1219755625 + 2859481 = 34925^2 + 1691^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906311 + ... + 907658.

Almost surely, 2^1222615106 is an apocalyptic number.

1222615106 is a deficient number, since it is larger than the sum of its proper divisors (616750474).

1222615106 is a wasteful number, since it uses less digits than its factorization.

1222615106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814308.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1222615106 is about 34965.9134872807. The cubic root of 1222615106 is about 1069.2926602895.

Adding to 1222615106 its reverse (6015162221), we get a palindrome (7237777327).

The spelling of 1222615106 in words is "one billion, two hundred twenty-two million, six hundred fifteen thousand, one hundred six".