27722342 has 16 divisors (see below), whose sum is σ = 44144352. Its totient is φ = 13011840.

The previous prime is 27722341. The next prime is 27722353. The reversal of 27722342 is 24322772.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27722341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16292 + ... + 17912.

It is an arithmetic number, because the mean of its divisors is an integer number (2759022).

Almost surely, 2^27722342 is an apocalyptic number.

27722342 is a deficient number, since it is larger than the sum of its proper divisors (16422010).

27722342 is a wasteful number, since it uses less digits than its factorization.

27722342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its digits is 9408, while the sum is 29.

The square root of 27722342 is about 5265.2010407961. The cubic root of 27722342 is about 302.6518309814.

The spelling of 27722342 in words is "twenty-seven million, seven hundred twenty-two thousand, three hundred forty-two".