222201022022112 has 48 divisors (see below), whose sum is σ = 666603066068352. Its totient is φ = 63486006291840.

The previous prime is 222201022021987. The next prime is 222201022022167. The reversal of 222201022022112 is 211220220102222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×222201022022112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165328140714 + ... + 165328142057.

It is an arithmetic number, because the mean of its divisors is an integer number (13887563876424).

Almost surely, 2^{222201022022112} is an apocalyptic number.

It is an amenable number.

222201022022112 is an abundant number, since it is smaller than the sum of its proper divisors (444402044046240).

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

222201022022112 is a wasteful number, since it uses less digits than its factorization.

222201022022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330656282791 (or 330656282783 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222201022022112 its reverse (211220220102222), we get a palindrome (433421242124334).

The spelling of 222201022022112 in words is "two hundred twenty-two trillion, two hundred one billion, twenty-two million, twenty-two thousand, one hundred twelve".