22000022122202 has 4 divisors (see below), whose sum is σ = 33000033183306. Its totient is φ = 11000011061100.

The previous prime is 22000022122157. The next prime is 22000022122207. The reversal of 22000022122202 is 20222122000022.

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., 17511806153521 + 4488215968681 = 4184711^2 + 2118541^2 .

It is not an unprimeable number, because it can be changed into a prime (22000022122207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500005530549 + ... + 5500005530552.

Almost surely, 2^{22000022122202} is an apocalyptic number.

22000022122202 is a deficient number, since it is larger than the sum of its proper divisors (11000011061104).

22000022122202 is a wasteful number, since it uses less digits than its factorization.

22000022122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000011061103.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22000022122202 its reverse (20222122000022), we get a palindrome (42222144122224).

The spelling of 22000022122202 in words is "twenty-two trillion, twenty-two million, one hundred twenty-two thousand, two hundred two".