22442020404220 has 12 divisors (see below), whose sum is σ = 47128242848904. Its totient is φ = 8976808161680.

The previous prime is 22442020404191. The next prime is 22442020404247. The reversal of 22442020404220 is 2240402024422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561050510086 + ... + 561050510125.

It is an arithmetic number, because the mean of its divisors is an integer number (3927353570742).

Almost surely, 2^{22442020404220} is an apocalyptic number.

22442020404220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442020404220 is an abundant number, since it is smaller than the sum of its proper divisors (24686222444684).

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

22442020404220 is a wasteful number, since it uses less digits than its factorization.

22442020404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122101020220 (or 1122101020218 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22442020404220 its reverse (2240402024422), we get a palindrome (24682422428642).

The spelling of 22442020404220 in words is "twenty-two trillion, four hundred forty-two billion, twenty million, four hundred four thousand, two hundred twenty".