1222106 has 8 divisors (see below), whose sum is σ = 1844640. Its totient is φ = 607228.

The previous prime is 1222097. The next prime is 1222129. The reversal of 1222106 is 6012221.

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

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (230580).

2^1222106 is an apocalyptic number.

1222106 is a deficient number, since it is larger than the sum of its proper divisors (622534).

1222106 is a wasteful number, since it uses less digits than its factorization.

1222106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1222106 is about 1105.4890320578. The cubic root of 1222106 is about 106.9144219218.

Adding to 1222106 its reverse (6012221), we get a palindrome (7234327).

The spelling of 1222106 in words is "one million, two hundred twenty-two thousand, one hundred six".