28058221302 has 32 divisors (see below), whose sum is σ = 59424738912. Its totient is φ = 8801493504.

The previous prime is 28058221283. The next prime is 28058221327. The reversal of 28058221302 is 20312285082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356228 + ... + 1376760.

It is an arithmetic number, because the mean of its divisors is an integer number (1857023091).

Almost surely, 2^28058221302 is an apocalyptic number.

28058221302 is an abundant number, since it is smaller than the sum of its proper divisors (31366517610).

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

28058221302 is a wasteful number, since it uses less digits than its factorization.

28058221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33952.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 28058221302 in words is "twenty-eight billion, fifty-eight million, two hundred twenty-one thousand, three hundred two".