27797422 has 16 divisors (see below), whose sum is σ = 42357744. Its totient is φ = 13680000.

The previous prime is 27797411. The next prime is 27797449. The reversal of 27797422 is 22479772.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48397 + ... + 48967.

It is an arithmetic number, because the mean of its divisors is an integer number (2647359).

Almost surely, 2^27797422 is an apocalyptic number.

27797422 is a deficient number, since it is larger than the sum of its proper divisors (14560322).

27797422 is a wasteful number, since it uses less digits than its factorization.

27797422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 98784, while the sum is 40.

The square root of 27797422 is about 5272.3260521330. The cubic root of 27797422 is about 302.9248071575.

It can be divided in two parts, 2779 and 7422, that added together give a palindrome (10201).

The spelling of 27797422 in words is "twenty-seven million, seven hundred ninety-seven thousand, four hundred twenty-two".