222211111127028 has 24 divisors (see below), whose sum is σ = 518493134815488. Its totient is φ = 74070292920576.

The previous prime is 222211111127011. The next prime is 222211111127029. The reversal of 222211111127028 is 820721111112222.

It is a super-2 number, since 2×222211111127028² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222211111127028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222211111127029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928900 + ... + 21283812.

It is an arithmetic number, because the mean of its divisors is an integer number (21603880617312).

Almost surely, 2^{222211111127028} is an apocalyptic number.

It is an amenable number.

222211111127028 is an abundant number, since it is smaller than the sum of its proper divisors (296282023688460).

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

222211111127028 is a wasteful number, since it uses less digits than its factorization.

222211111127028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363783 (or 19363781 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 33.

The spelling of 222211111127028 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-seven thousand, twenty-eight".