1222221203022 has 48 divisors (see below), whose sum is σ = 2580091138512. Its totient is φ = 385931295360.

The previous prime is 1222221202997. The next prime is 1222221203023. The reversal of 1222221203022 is 2203021222221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222221203022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222221203023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41219322 + ... + 41248962.

It is an arithmetic number, because the mean of its divisors is an integer number (53751898719).

Almost surely, 2^{1222221203022} is an apocalyptic number.

1222221203022 is an abundant number, since it is smaller than the sum of its proper divisors (1357869935490).

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

1222221203022 is a wasteful number, since it uses less digits than its factorization.

1222221203022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48721 (or 48702 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1222221203022 its reverse (2203021222221), we get a palindrome (3425242425243).

The spelling of 1222221203022 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred three thousand, twenty-two".