27822273228 has 48 divisors (see below), whose sum is σ = 74619132000. Its totient is φ = 8954293824.

The previous prime is 27822273209. The next prime is 27822273229. The reversal of 27822273228 is 82237222872.

27822273228 is a `hidden beast` number, since 27 + 82 + 227 + 322 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (27822273229) 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, 4438483 + ... + 4444746.

It is an arithmetic number, because the mean of its divisors is an integer number (1554565250).

Almost surely, 2^27822273228 is an apocalyptic number.

It is an amenable number.

27822273228 is an abundant number, since it is smaller than the sum of its proper divisors (46796858772).

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

27822273228 is a wasteful number, since it uses less digits than its factorization.

27822273228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883271 (or 8883263 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The spelling of 27822273228 in words is "twenty-seven billion, eight hundred twenty-two million, two hundred seventy-three thousand, two hundred twenty-eight".