22202222002 has 8 divisors (see below), whose sum is σ = 33423562476. Its totient is φ = 11061034512.

The previous prime is 22202221999. The next prime is 22202222047. The reversal of 22202222002 is 20022220222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20385842841 + 1816379161 = 142779^2 + 42619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20037553 + ... + 20038660.

Almost surely, 2^22202222002 is an apocalyptic number.

22202222002 is a deficient number, since it is larger than the sum of its proper divisors (11221340474).

22202222002 is a wasteful number, since it uses less digits than its factorization.

22202222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40076492.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22202222002 its reverse (20022220222), we get a palindrome (42224442224).

It can be divided in two parts, 2220222 and 2002, that multiplied together give a palindrome (4444884444).

The spelling of 22202222002 in words is "twenty-two billion, two hundred two million, two hundred twenty-two thousand, two".