22443420120220 has 48 divisors (see below), whose sum is σ = 51713036631648. Its totient is φ = 8114068847360.

The previous prime is 22443420120181. The next prime is 22443420120223. The reversal of 22443420120220 is 2202102434422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443420120223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 294804559 + ... + 294880678.

It is an arithmetic number, because the mean of its divisors is an integer number (1077354929826).

Almost surely, 2^{22443420120220} is an apocalyptic number.

22443420120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22443420120220 is an abundant number, since it is smaller than the sum of its proper divisors (29269616511428).

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

22443420120220 is a wasteful number, since it uses less digits than its factorization.

22443420120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589685430 (or 589685428 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22443420120220 its reverse (2202102434422), we get a palindrome (24645522554642).

The spelling of 22443420120220 in words is "twenty-two trillion, four hundred forty-three billion, four hundred twenty million, one hundred twenty thousand, two hundred twenty".