22210212222202 has 4 divisors (see below), whose sum is σ = 33315318333306. Its totient is φ = 11105106111100.

The previous prime is 22210212222161. The next prime is 22210212222223. The reversal of 22210212222202 is 20222221201222.

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., 18900399756681 + 3309812465521 = 4347459^2 + 1819289^2 .

It is a super-2 number, since 2×22210212222202² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552553055549 + ... + 5552553055552.

Almost surely, 2^{22210212222202} is an apocalyptic number.

22210212222202 is a deficient number, since it is larger than the sum of its proper divisors (11105106111104).

22210212222202 is a wasteful number, since it uses less digits than its factorization.

22210212222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105106111103.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22210212222202 its reverse (20222221201222), we get a palindrome (42432433423424).

The spelling of 22210212222202 in words is "twenty-two trillion, two hundred ten billion, two hundred twelve million, two hundred twenty-two thousand, two hundred two".