27242922 has 48 divisors (see below), whose sum is σ = 66731040. Its totient is φ = 7372512.

The previous prime is 27242911. The next prime is 27242923. The reversal of 27242922 is 22924272.

It is a self number, because there is not a number n which added to its sum of digits gives 27242922.

It is not an unprimeable number, because it can be changed into a prime (27242923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3148 + ... + 8024.

It is an arithmetic number, because the mean of its divisors is an integer number (1390230).

Almost surely, 2^27242922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27242922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33365520).

27242922 is an abundant number, since it is smaller than the sum of its proper divisors (39488118).

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

27242922 is a wasteful number, since it uses less digits than its factorization.

27242922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915 (or 4908 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 27242922 is about 5219.4752609817. The cubic root of 27242922 is about 300.8970262508.

The spelling of 27242922 in words is "twenty-seven million, two hundred forty-two thousand, nine hundred twenty-two".