402212322002 has 4 divisors (see below), whose sum is σ = 603318483006. Its totient is φ = 201106161000.

The previous prime is 402212321983. The next prime is 402212322007. The reversal of 402212322002 is 200223212204.

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., 401108155561 + 1104166441 = 633331^2 + 33229^2 .

It is not an unprimeable number, because it can be changed into a prime (402212322007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100553080499 + ... + 100553080502.

Almost surely, 2^402212322002 is an apocalyptic number.

402212322002 is a deficient number, since it is larger than the sum of its proper divisors (201106161004).

402212322002 is a wasteful number, since it uses less digits than its factorization.

402212322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201106161003.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402212322002 its reverse (200223212204), we get a palindrome (602435534206).

The spelling of 402212322002 in words is "four hundred two billion, two hundred twelve million, three hundred twenty-two thousand, two".