202202221212222 has 192 divisors, whose sum is σ = 507298612262400. Its totient is φ = 52198445260800.

The previous prime is 202202221212203. The next prime is 202202221212307. The reversal of 202202221212222 is 222212122202202.

It is a junction number, because it is equal to n+sod(n) for n = 202202221212192 and 202202221212201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20323868904 + ... + 20323878852.

It is an arithmetic number, because the mean of its divisors is an integer number (2642180272200).

Almost surely, 2^{202202221212222} is an apocalyptic number.

202202221212222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 202202221212222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253649306131200).

202202221212222 is an abundant number, since it is smaller than the sum of its proper divisors (305096391050178).

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

202202221212222 is a wasteful number, since it uses less digits than its factorization.

202202221212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11539 (or 11346 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 202202221212222 its reverse (222212122202202), we get a palindrome (424414343414424).

The spelling of 202202221212222 in words is "two hundred two trillion, two hundred two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred twenty-two".