22002200021222 has 4 divisors (see below), whose sum is σ = 33003300031836. Its totient is φ = 11001100010610.

The previous prime is 22002200021209. The next prime is 22002200021233. The reversal of 22002200021222 is 22212000220022.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22002200021222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22002200021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500550005304 + ... + 5500550005307.

It is an arithmetic number, because the mean of its divisors is an integer number (8250825007959).

Almost surely, 2^{22002200021222} is an apocalyptic number.

22002200021222 is a deficient number, since it is larger than the sum of its proper divisors (11001100010614).

22002200021222 is a wasteful number, since it uses less digits than its factorization.

22002200021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001100010613.

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

Adding to 22002200021222 its reverse (22212000220022), we get a palindrome (44214200241244).

The spelling of 22002200021222 in words is "twenty-two trillion, two billion, two hundred million, twenty-one thousand, two hundred twenty-two".