1222403206 has 8 divisors (see below), whose sum is σ = 1834990560. Its totient is φ = 610739688.

The previous prime is 1222403179. The next prime is 1222403219. The reversal of 1222403206 is 6023042221.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227641 + ... + 232948.

It is an arithmetic number, because the mean of its divisors is an integer number (229373820).

Almost surely, 2^1222403206 is an apocalyptic number.

1222403206 is a deficient number, since it is larger than the sum of its proper divisors (612587354).

1222403206 is a wasteful number, since it uses less digits than its factorization.

1222403206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461918.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1222403206 is about 34962.8832621110. The cubic root of 1222403206 is about 1069.2308811831.

Adding to 1222403206 its reverse (6023042221), we get a palindrome (7245445427).

The spelling of 1222403206 in words is "one billion, two hundred twenty-two million, four hundred three thousand, two hundred six".