1005422223 has 8 divisors (see below), whose sum is σ = 1443683248. Its totient is φ = 618721344.

The previous prime is 1005422219. The next prime is 1005422233. The reversal of 1005422223 is 3222245001.

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

It is not a de Polignac number, because 1005422223 - 2² = 1005422219 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 1005422223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005422203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12889990 + ... + 12890067.

It is an arithmetic number, because the mean of its divisors is an integer number (180460406).

Almost surely, 2^1005422223 is an apocalyptic number.

1005422223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1005422223 is a deficient number, since it is larger than the sum of its proper divisors (438261025).

1005422223 is a wasteful number, since it uses less digits than its factorization.

1005422223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780073.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1005422223 is about 31708.3935733112. The cubic root of 1005422223 is about 1001.8041507493.

Adding to 1005422223 its reverse (3222245001), we get a palindrome (4227667224).

The spelling of 1005422223 in words is "one billion, five million, four hundred twenty-two thousand, two hundred twenty-three".