201022023222 has 24 divisors (see below), whose sum is σ = 435887243064. Its totient is φ = 66955106304.

The previous prime is 201022023217. The next prime is 201022023229. The reversal of 201022023222 is 222320220102.

201022023222 is a `hidden beast` number, since 201 + 0 + 220 + 23 + 222 = 666.

It is a super-2 number, since 2×201022023222² (a number of 23 digits) contains 22 as substring.

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 = 201022023195 and 201022023204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022023229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4329163 + ... + 4375350.

It is an arithmetic number, because the mean of its divisors is an integer number (18161968461).

Almost surely, 2^201022023222 is an apocalyptic number.

201022023222 is an abundant number, since it is smaller than the sum of its proper divisors (234865219842).

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

201022023222 is a wasteful number, since it uses less digits than its factorization.

201022023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705804 (or 8705801 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 201022023222 its reverse (222320220102), we get a palindrome (423342243324).

The spelling of 201022023222 in words is "two hundred one billion, twenty-two million, twenty-three thousand, two hundred twenty-two".