1001222002 has 24 divisors (see below), whose sum is σ = 1655671248. Its totient is φ = 453751320.

The previous prime is 1001221999. The next prime is 1001222017. The reversal of 1001222002 is 2002221001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001222002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78013 + ... + 89935.

It is an arithmetic number, because the mean of its divisors is an integer number (68986302).

Almost surely, 2^1001222002 is an apocalyptic number.

1001222002 is a deficient number, since it is larger than the sum of its proper divisors (654449246).

1001222002 is a wasteful number, since it uses less digits than its factorization.

1001222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294 (or 12283 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1001222002 is about 31642.0922506714. The cubic root of 1001222002 is about 1000.4071681916.

Adding to 1001222002 its reverse (2002221001), we get a palindrome (3003443003).

The spelling of 1001222002 in words is "one billion, one million, two hundred twenty-two thousand, two".