22122211002202 has 4 divisors (see below), whose sum is σ = 33183316503306. Its totient is φ = 11061105501100.

The previous prime is 22122211002193. The next prime is 22122211002257. The reversal of 22122211002202 is 20220011222122.

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., 12251687058081 + 9870523944121 = 3500241^2 + 3141739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22122211002202.

It is an unprimeable number.

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, 5530552750549 + ... + 5530552750552.

Almost surely, 2^{22122211002202} is an apocalyptic number.

22122211002202 is a deficient number, since it is larger than the sum of its proper divisors (11061105501104).

22122211002202 is a wasteful number, since it uses less digits than its factorization.

22122211002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061105501103.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122211002202 its reverse (20220011222122), we get a palindrome (42342222224324).

The spelling of 22122211002202 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred eleven million, two thousand, two hundred two".