20212202202222 has 16 divisors (see below), whose sum is σ = 40424453903232. Its totient is φ = 6737392484280.

The previous prime is 20212202202217. The next prime is 20212202202253. The reversal of 20212202202222 is 22220220221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5228647 + ... + 8231837.

It is an arithmetic number, because the mean of its divisors is an integer number (2526528368952).

Almost surely, 2^{20212202202222} is an apocalyptic number.

20212202202222 is an abundant number, since it is smaller than the sum of its proper divisors (20212251701010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212202202222 is a wasteful number, since it uses less digits than its factorization.

20212202202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124903.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20212202202222 its reverse (22220220221202), we get a palindrome (42432422423424).

The spelling of 20212202202222 in words is "twenty trillion, two hundred twelve billion, two hundred two million, two hundred two thousand, two hundred twenty-two".