27422118 has 32 divisors (see below), whose sum is σ = 63590400. Its totient is φ = 8742888.

The previous prime is 27422113. The next prime is 27422119. The reversal of 27422118 is 81122472.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 27422091 and 27422100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27422113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9798 + ... + 12281.

It is an arithmetic number, because the mean of its divisors is an integer number (1987200).

Almost surely, 2^27422118 is an apocalyptic number.

27422118 is an abundant number, since it is smaller than the sum of its proper divisors (36168282).

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

27422118 is a wasteful number, since it uses less digits than its factorization.

27422118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22113 (or 22107 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 27422118 is about 5236.6132184839. The cubic root of 27422118 is about 301.5553226369. Note that the first 3 decimals are identical.

The spelling of 27422118 in words is "twenty-seven million, four hundred twenty-two thousand, one hundred eighteen".