1222063305 has 16 divisors (see below), whose sum is σ = 1958338944. Its totient is φ = 650754560.

The previous prime is 1222063303. The next prime is 1222063313. The reversal of 1222063305 is 5033602221.

It is not a de Polignac number, because 1222063305 - 2¹ = 1222063303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222063303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53256 + ... + 72665.

It is an arithmetic number, because the mean of its divisors is an integer number (122396184).

Almost surely, 2^1222063305 is an apocalyptic number.

1222063305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222063305 is a deficient number, since it is larger than the sum of its proper divisors (736275639).

1222063305 is a wasteful number, since it uses less digits than its factorization.

1222063305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126576.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1222063305 is about 34958.0220407276. The cubic root of 1222063305 is about 1069.1317686768.

Adding to 1222063305 its reverse (5033602221), we get a palindrome (6255665526).

The spelling of 1222063305 in words is "one billion, two hundred twenty-two million, sixty-three thousand, three hundred five".