22340143655544 has 128 divisors (see below), whose sum is σ = 66264056570880. Its totient is φ = 6187119936000.

The previous prime is 22340143655527. The next prime is 22340143655561. The reversal of 22340143655544 is 44555634104322.

It is an interprime number because it is at equal distance from previous prime (22340143655527) and next prime (22340143655561).

It is a junction number, because it is equal to n+sod(n) for n = 22340143655493 and 22340143655502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31877952 + ... + 32571215.

It is an arithmetic number, because the mean of its divisors is an integer number (517687941960).

Almost surely, 2^{22340143655544} is an apocalyptic number.

22340143655544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22340143655544 is an abundant number, since it is smaller than the sum of its proper divisors (43923912915336).

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

22340143655544 is a wasteful number, since it uses less digits than its factorization.

22340143655544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64449301 (or 64449297 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 48.

Adding to 22340143655544 its reverse (44555634104322), we get a palindrome (66895777759866).

The spelling of 22340143655544 in words is "twenty-two trillion, three hundred forty billion, one hundred forty-three million, six hundred fifty-five thousand, five hundred forty-four".