22141443620 has 24 divisors (see below), whose sum is σ = 49232151864. Its totient is φ = 8335602176.

The previous prime is 22141443617. The next prime is 22141443677. The reversal of 22141443620 is 2634414122.

It can be written as a sum of positive squares in 4 ways, for example, as 10260879616 + 11880564004 = 101296^2 + 108998^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32560607 + ... + 32561286.

It is an arithmetic number, because the mean of its divisors is an integer number (2051339661).

Almost surely, 2^22141443620 is an apocalyptic number.

22141443620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22141443620 is an abundant number, since it is smaller than the sum of its proper divisors (27090708244).

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

22141443620 is a wasteful number, since it uses less digits than its factorization.

22141443620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65121919 (or 65121917 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 22141443620 its reverse (2634414122), we get a palindrome (24775857742).

The spelling of 22141443620 in words is "twenty-two billion, one hundred forty-one million, four hundred forty-three thousand, six hundred twenty".