22113344421320 has 64 divisors (see below), whose sum is σ = 52688642728320. Its totient is φ = 8323941059584.

The previous prime is 22113344421313. The next prime is 22113344421323. The reversal of 22113344421320 is 2312444331122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22113344421323) 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, 3127199 + ... + 7348881.

It is an arithmetic number, because the mean of its divisors is an integer number (823260042630).

Almost surely, 2^{22113344421320} is an apocalyptic number.

22113344421320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113344421320 is an abundant number, since it is smaller than the sum of its proper divisors (30575298307000).

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

22113344421320 is a wasteful number, since it uses less digits than its factorization.

22113344421320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229414 (or 4229410 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 22113344421320 its reverse (2312444331122), we get a palindrome (24425788752442).

The spelling of 22113344421320 in words is "twenty-two trillion, one hundred thirteen billion, three hundred forty-four million, four hundred twenty-one thousand, three hundred twenty".