22443141555420 has 24 divisors (see below), whose sum is σ = 62840796355344. Its totient is φ = 5984837748096.

The previous prime is 22443141555397. The next prime is 22443141555437. The reversal of 22443141555420 is 2455514134422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187026179569 + ... + 187026179688.

It is an arithmetic number, because the mean of its divisors is an integer number (2618366514806).

Almost surely, 2^{22443141555420} is an apocalyptic number.

22443141555420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22443141555420 is an abundant number, since it is smaller than the sum of its proper divisors (40397654799924).

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

22443141555420 is a wasteful number, since it uses less digits than its factorization.

22443141555420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374052359269 (or 374052359267 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 22443141555420 its reverse (2455514134422), we get a palindrome (24898655689842).

The spelling of 22443141555420 in words is "twenty-two trillion, four hundred forty-three billion, one hundred forty-one million, five hundred fifty-five thousand, four hundred twenty".