1222424305 has 8 divisors (see below), whose sum is σ = 1467479232. Its totient is φ = 977559408.

The previous prime is 1222424303. The next prime is 1222424369. The reversal of 1222424305 is 5034242221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222424305 - 2¹ = 1222424303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222424305.

It is not an unprimeable number, because it can be changed into a prime (1222424303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32947 + ... + 59416.

It is an arithmetic number, because the mean of its divisors is an integer number (183434904).

Almost surely, 2^1222424305 is an apocalyptic number.

It is an amenable number.

1222424305 is a deficient number, since it is larger than the sum of its proper divisors (245054927).

1222424305 is an equidigital number, since it uses as much as digits as its factorization.

1222424305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95015.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1222424305 is about 34963.1849950773. The cubic root of 1222424305 is about 1069.2370328828.

Adding to 1222424305 its reverse (5034242221), we get a palindrome (6256666526).

The spelling of 1222424305 in words is "one billion, two hundred twenty-two million, four hundred twenty-four thousand, three hundred five".