22102202202202 has 32 divisors (see below), whose sum is σ = 35443840339152. Its totient is φ = 10300348391424.

The previous prime is 22102202202191. The next prime is 22102202202239. The reversal of 22102202202202 is 20220220220122.

It can be written as a sum of positive squares in 8 ways, for example, as 1475790062041 + 20626412140161 = 1214821^2 + 4541631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22102202202202.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2172448 + ... + 6994564.

Almost surely, 2^{22102202202202} is an apocalyptic number.

22102202202202 is a deficient number, since it is larger than the sum of its proper divisors (13341638136950).

22102202202202 is a wasteful number, since it uses less digits than its factorization.

22102202202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823442.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22102202202202 its reverse (20220220220122), we get a palindrome (42322422422324).

The spelling of 22102202202202 in words is "twenty-two trillion, one hundred two billion, two hundred two million, two hundred two thousand, two hundred two".