22343220143220 has 48 divisors (see below), whose sum is σ = 63494762925888. Its totient is φ = 5869263797760.

The previous prime is 22343220143161. The next prime is 22343220143351. The reversal of 22343220143220 is 2234102234322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2779003461 + ... + 2779011500.

It is an arithmetic number, because the mean of its divisors is an integer number (1322807560956).

Almost surely, 2^{22343220143220} is an apocalyptic number.

22343220143220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22343220143220 is an abundant number, since it is smaller than the sum of its proper divisors (41151542782668).

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

22343220143220 is a wasteful number, since it uses less digits than its factorization.

22343220143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558015040 (or 5558015038 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 22343220143220 its reverse (2234102234322), we get a palindrome (24577322377542).

The spelling of 22343220143220 in words is "twenty-two trillion, three hundred forty-three billion, two hundred twenty million, one hundred forty-three thousand, two hundred twenty".