1003222005 has 8 divisors (see below), whose sum is σ = 1605155232. Its totient is φ = 535051728.

The previous prime is 1003221997. The next prime is 1003222007. The reversal of 1003222005 is 5002223001.

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

It is not a de Polignac number, because 1003222005 - 2³ = 1003221997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 66881467 = 1003222005 / (1 + 0 + 0 + 3 + 2 + 2 + 2 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003222007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33440719 + ... + 33440748.

It is an arithmetic number, because the mean of its divisors is an integer number (200644404).

Almost surely, 2^1003222005 is an apocalyptic number.

1003222005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1003222005 is a deficient number, since it is larger than the sum of its proper divisors (601933227).

1003222005 is an equidigital number, since it uses as much as digits as its factorization.

1003222005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66881475.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1003222005 is about 31673.6800040665. The cubic root of 1003222005 is about 1001.0728502474.

Adding to 1003222005 its reverse (5002223001), we get a palindrome (6005445006).

The spelling of 1003222005 in words is "one billion, three million, two hundred twenty-two thousand, five".