1222422012352 has 56 divisors (see below), whose sum is σ = 2445507123200. Its totient is φ = 606233859840.

The previous prime is 1222422012347. The next prime is 1222422012367. The reversal of 1222422012352 is 2532102242221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222422012352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33298327 + ... + 33335017.

Almost surely, 2^{1222422012352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222422012352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222753561600).

1222422012352 is an abundant number, since it is smaller than the sum of its proper divisors (1223085110848).

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

1222422012352 is a wasteful number, since it uses less digits than its factorization.

1222422012352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40929 (or 40919 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1222422012352 its reverse (2532102242221), we get a palindrome (3754524254573).

The spelling of 1222422012352 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-two million, twelve thousand, three hundred fifty-two".