28222859952 has 60 divisors (see below), whose sum is σ = 90268356880. Its totient is φ = 8063673984.

The previous prime is 28222859881. The next prime is 28222859953. The reversal of 28222859952 is 25995822282.

28222859952 is a `hidden beast` number, since 2 + 8 + 22 + 28 + 599 + 5 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (28222859953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13998427 + ... + 14000442.

Almost surely, 2^28222859952 is an apocalyptic number.

It is an amenable number.

28222859952 is an abundant number, since it is smaller than the sum of its proper divisors (62045496928).

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

28222859952 is a wasteful number, since it uses less digits than its factorization.

28222859952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27998890 (or 27998881 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The spelling of 28222859952 in words is "twenty-eight billion, two hundred twenty-two million, eight hundred fifty-nine thousand, nine hundred fifty-two".