28228493092 has 12 divisors (see below), whose sum is σ = 50450924160. Its totient is φ = 13813943336.

The previous prime is 28228493023. The next prime is 28228493093. The reversal of 28228493092 is 29039482282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28228493093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75075592 + ... + 75075967.

It is an arithmetic number, because the mean of its divisors is an integer number (4204243680).

Almost surely, 2^28228493092 is an apocalyptic number.

It is an amenable number.

28228493092 is a deficient number, since it is larger than the sum of its proper divisors (22222431068).

28228493092 is a wasteful number, since it uses less digits than its factorization.

28228493092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150151610 (or 150151608 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 28228493092 in words is "twenty-eight billion, two hundred twenty-eight million, four hundred ninety-three thousand, ninety-two".