22002202220212 has 12 divisors (see below), whose sum is σ = 38510993521476. Its totient is φ = 10999061214080.

The previous prime is 22002202220179. The next prime is 22002202220233. The reversal of 22002202220212 is 21202220220022.

It can be written as a sum of positive squares in 2 ways, for example, as 21161140815376 + 841061404836 = 4600124^2 + 917094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22002202220212.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 509949739 + ... + 509992882.

It is an arithmetic number, because the mean of its divisors is an integer number (3209249460123).

Almost surely, 2^{22002202220212} is an apocalyptic number.

It is an amenable number.

22002202220212 is a deficient number, since it is larger than the sum of its proper divisors (16508791301264).

22002202220212 is a wasteful number, since it uses less digits than its factorization.

22002202220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019948018 (or 1019948016 counting only the distinct ones).

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

Adding to 22002202220212 its reverse (21202220220022), we get a palindrome (43204422440234).

The spelling of 22002202220212 in words is "twenty-two trillion, two billion, two hundred two million, two hundred twenty thousand, two hundred twelve".