27420422 has 8 divisors (see below), whose sum is σ = 43550136. Its totient is φ = 12903712.

The previous prime is 27420403. The next prime is 27420433. The reversal of 27420422 is 22402472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403208 + ... + 403275.

It is an arithmetic number, because the mean of its divisors is an integer number (5443767).

Almost surely, 2^27420422 is an apocalyptic number.

27420422 is a deficient number, since it is larger than the sum of its proper divisors (16129714).

27420422 is a wasteful number, since it uses less digits than its factorization.

27420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806502.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 27420422 is about 5236.4512792539. The cubic root of 27420422 is about 301.5491056558.

Adding to 27420422 its reverse (22402472), we get a palindrome (49822894).

The spelling of 27420422 in words is "twenty-seven million, four hundred twenty thousand, four hundred twenty-two".