1002222003 has 4 divisors (see below), whose sum is σ = 1336296008. Its totient is φ = 668148000.

The previous prime is 1002221989. The next prime is 1002222017. The reversal of 1002222003 is 3002222001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1002221989) and next prime (1002222017).

It is not a de Polignac number, because 1002222003 - 2⁶ = 1002221939 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 1002222003.

It is not an unprimeable number, because it can be changed into a prime (1002222073) 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 3 ways as a sum of consecutive naturals, for example, 167036998 + ... + 167037003.

It is an arithmetic number, because the mean of its divisors is an integer number (334074002).

Almost surely, 2^1002222003 is an apocalyptic number.

1002222003 is a deficient number, since it is larger than the sum of its proper divisors (334074005).

1002222003 is an equidigital number, since it uses as much as digits as its factorization.

1002222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334074004.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1002222003 is about 31657.8900591938. The cubic root of 1002222003 is about 1000.7401197543.

Adding to 1002222003 its reverse (3002222001), we get a palindrome (4004444004).

The spelling of 1002222003 in words is "one billion, two million, two hundred twenty-two thousand, three".