22122202212002 has 4 divisors (see below), whose sum is σ = 33183303318006. Its totient is φ = 11061101106000.

The previous prime is 22122202212001. The next prime is 22122202212017. The reversal of 22122202212002 is 20021220222122.

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., 22118858018761 + 3344193241 = 4703069^2 + 57829^2 .

It is not an unprimeable number, because it can be changed into a prime (22122202212001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530550552999 + ... + 5530550553002.

Almost surely, 2^{22122202212002} is an apocalyptic number.

22122202212002 is a deficient number, since it is larger than the sum of its proper divisors (11061101106004).

22122202212002 is a wasteful number, since it uses less digits than its factorization.

22122202212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061101106003.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22122202212002 its reverse (20021220222122), we get a palindrome (42143422434124).

The spelling of 22122202212002 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred two million, two hundred twelve thousand, two".