22210010001002 has 4 divisors (see below), whose sum is σ = 33315015001506. Its totient is φ = 11105005000500.

The previous prime is 22210010001001. The next prime is 22210010001013. The reversal of 22210010001002 is 20010001001222.

It is a happy number.

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., 14545367917921 + 7664642083081 = 3813839^2 + 2768509^2 .

It is not an unprimeable number, because it can be changed into a prime (22210010001001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552502500249 + ... + 5552502500252.

Almost surely, 2^{22210010001002} is an apocalyptic number.

22210010001002 is a deficient number, since it is larger than the sum of its proper divisors (11105005000504).

22210010001002 is a wasteful number, since it uses less digits than its factorization.

22210010001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105005000503.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22210010001002 its reverse (20010001001222), we get a palindrome (42220011002224).

The spelling of 22210010001002 in words is "twenty-two trillion, two hundred ten billion, ten million, one thousand, two".