22020221222000 has 80 divisors (see below), whose sum is σ = 53512458168000. Its totient is φ = 8763826579200.

The previous prime is 22020221221991. The next prime is 22020221222063. The reversal of 22020221222000 is 22212202022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 22020221222000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27265595 + ... + 28061594.

It is an arithmetic number, because the mean of its divisors is an integer number (668905727100).

Almost surely, 2^{22020221222000} is an apocalyptic number.

22020221222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020221222000 is an abundant number, since it is smaller than the sum of its proper divisors (31492236946000).

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

22020221222000 is a wasteful number, since it uses less digits than its factorization.

22020221222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55327411 (or 55327395 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22020221222000 its reverse (22212202022), we get a palindrome (22042433424022).

The spelling of 22020221222000 in words is "twenty-two trillion, twenty billion, two hundred twenty-one million, two hundred twenty-two thousand".