1222201202022 has 32 divisors (see below), whose sum is σ = 2724735836160. Its totient is φ = 406090425960.

The previous prime is 1222201202011. The next prime is 1222201202029. The reversal of 1222201202022 is 2202021022221.

1222201202022 is a `hidden beast` number, since 122 + 220 + 120 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1222201201986 and 1222201202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222201202029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36371238 + ... + 36404825.

It is an arithmetic number, because the mean of its divisors is an integer number (85147994880).

Almost surely, 2^{1222201202022} is an apocalyptic number.

1222201202022 is an abundant number, since it is smaller than the sum of its proper divisors (1502534634138).

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

1222201202022 is a wasteful number, since it uses less digits than its factorization.

1222201202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72776385 (or 72776379 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1222201202022 its reverse (2202021022221), we get a palindrome (3424222224243).

The spelling of 1222201202022 in words is "one trillion, two hundred twenty-two billion, two hundred one million, two hundred two thousand, twenty-two".