222201000212022 has 96 divisors (see below), whose sum is σ = 525806330999040. Its totient is φ = 67402106493120.

The previous prime is 222201000211991. The next prime is 222201000212153. The reversal of 222201000212022 is 220212000102222.

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 = 222201000211986 and 222201000212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 253873629 + ... + 254747367.

It is an arithmetic number, because the mean of its divisors is an integer number (5477149281240).

Almost surely, 2^{222201000212022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222201000212022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262903165499520).

222201000212022 is an abundant number, since it is smaller than the sum of its proper divisors (303605330787018).

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

222201000212022 is a wasteful number, since it uses less digits than its factorization.

222201000212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889138 (or 889135 counting only the distinct ones).

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

Adding to 222201000212022 its reverse (220212000102222), we get a palindrome (442413000314244).

The spelling of 222201000212022 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred twelve thousand, twenty-two".