222127121288 has 12 divisors (see below), whose sum is σ = 416490851895. Its totient is φ = 111062894120.

The previous prime is 222127121287. The next prime is 222127121297. The reversal of 222127121288 is 882121721222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 111063560644 + 111063560644 = 333262^2 + 333262^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333262.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222127121287) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1249733 + ... + 1416363.

Almost surely, 2^222127121288 is an apocalyptic number.

It is an amenable number.

222127121288 is a deficient number, since it is larger than the sum of its proper divisors (194363730607).

222127121288 is an frugal number, since it uses more digits than its factorization.

222127121288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333268 (or 166633 counting only the distinct ones).

The product of its digits is 28672, while the sum is 38.

The spelling of 222127121288 in words is "two hundred twenty-two billion, one hundred twenty-seven million, one hundred twenty-one thousand, two hundred eighty-eight".