201222202022 has 4 divisors (see below), whose sum is σ = 301833303036. Its totient is φ = 100611101010.

The previous prime is 201222202021. The next prime is 201222202037. The reversal of 201222202022 is 220202222102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220202222102 = 2 ⋅110101111051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222202021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305550504 + ... + 50305550507.

It is an arithmetic number, because the mean of its divisors is an integer number (75458325759).

Almost surely, 2^201222202022 is an apocalyptic number.

201222202022 is a deficient number, since it is larger than the sum of its proper divisors (100611101014).

201222202022 is a wasteful number, since it uses less digits than its factorization.

201222202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100611101013.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 201222202022 its reverse (220202222102), we get a palindrome (421424424124).

The spelling of 201222202022 in words is "two hundred one billion, two hundred twenty-two million, two hundred two thousand, twenty-two".