1222001344340 has 96 divisors (see below), whose sum is σ = 3149058415104. Its totient is φ = 388772536320.

The previous prime is 1222001344297. The next prime is 1222001344349. The reversal of 1222001344340 is 434431002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222001344349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3446837 + ... + 3784796.

It is an arithmetic number, because the mean of its divisors is an integer number (32802691824).

Almost surely, 2^{1222001344340} is an apocalyptic number.

1222001344340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222001344340 is an abundant number, since it is smaller than the sum of its proper divisors (1927057070764).

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

1222001344340 is a wasteful number, since it uses less digits than its factorization.

1222001344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231737 (or 7231735 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1222001344340 its reverse (434431002221), we get a palindrome (1656432346561).

The spelling of 1222001344340 in words is "one trillion, two hundred twenty-two billion, one million, three hundred forty-four thousand, three hundred forty".