999002022002 has 4 divisors (see below), whose sum is σ = 1498503033006. Its totient is φ = 499501011000.

The previous prime is 999002022001. The next prime is 999002022041. The reversal of 999002022002 is 200220200999.

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

It can be written as a sum of positive squares in only one way, i.e., 984895471561 + 14106550441 = 992419^2 + 118771^2 .

It is not an unprimeable number, because it can be changed into a prime (999002022001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249750505499 + ... + 249750505502.

Almost surely, 2^999002022002 is an apocalyptic number.

999002022002 is a deficient number, since it is larger than the sum of its proper divisors (499501011004).

999002022002 is a wasteful number, since it uses less digits than its factorization.

999002022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499501011003.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 999002022002 in words is "nine hundred ninety-nine billion, two million, twenty-two thousand, two".