1000222002 has 96 divisors (see below), whose sum is σ = 2404846080. Its totient is φ = 298546560.

The previous prime is 1000221967. The next prime is 1000222033. The reversal of 1000222002 is 2002220001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1127203 + ... + 1128089.

It is an arithmetic number, because the mean of its divisors is an integer number (25050480).

Almost surely, 2^1000222002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202423040).

1000222002 is an abundant number, since it is smaller than the sum of its proper divisors (1404624078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000222002 is a wasteful number, since it uses less digits than its factorization.

1000222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1000222002 is about 31626.2865667154. The cubic root of 1000222002 is about 1000.0739951912.

Adding to 1000222002 its reverse (2002220001), we get a palindrome (3002442003).

The spelling of 1000222002 in words is "one billion, two hundred twenty-two thousand, two".