2221201022022 has 24 divisors (see below), whose sum is σ = 4814112411576. Its totient is φ = 740168002656.

The previous prime is 2221201021973. The next prime is 2221201022023. The reversal of 2221201022022 is 2202201021222.

2221201022022 is a `hidden beast` number, since 2 + 221 + 201 + 0 + 220 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2221201021986 and 2221201022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221201022023) 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 11 ways as a sum of consecutive naturals, for example, 19302543 + ... + 19417274.

It is an arithmetic number, because the mean of its divisors is an integer number (200588017149).

Almost surely, 2^{2221201022022} is an apocalyptic number.

2221201022022 is an abundant number, since it is smaller than the sum of its proper divisors (2592911389554).

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

2221201022022 is a wasteful number, since it uses less digits than its factorization.

2221201022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38723012 (or 38723009 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2221201022022 its reverse (2202201021222), we get a palindrome (4423402043244).

The spelling of 2221201022022 in words is "two trillion, two hundred twenty-one billion, two hundred one million, twenty-two thousand, twenty-two".