28558128033222 has 32 divisors (see below), whose sum is σ = 57302112268800. Its totient is φ = 9488405931168.

The previous prime is 28558128033217. The next prime is 28558128033223. The reversal of 28558128033222 is 22233082185582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28558128033223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18583429 + ... + 20061407.

It is an arithmetic number, because the mean of its divisors is an integer number (1790691008400).

Almost surely, 2^{28558128033222} is an apocalyptic number.

28558128033222 is an abundant number, since it is smaller than the sum of its proper divisors (28743984235578).

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

28558128033222 is a wasteful number, since it uses less digits than its factorization.

28558128033222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488460.

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 28558128033222 in words is "twenty-eight trillion, five hundred fifty-eight billion, one hundred twenty-eight million, thirty-three thousand, two hundred twenty-two".