27223122 has 16 divisors (see below), whose sum is σ = 56813760. Its totient is φ = 8679792.

The previous prime is 27223121. The next prime is 27223127. The reversal of 27223122 is 22132272.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27223121) 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 7 ways as a sum of consecutive naturals, for example, 98497 + ... + 98772.

It is an arithmetic number, because the mean of its divisors is an integer number (3550860).

Almost surely, 2^27223122 is an apocalyptic number.

27223122 is an abundant number, since it is smaller than the sum of its proper divisors (29590638).

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

27223122 is a wasteful number, since it uses less digits than its factorization.

27223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197297.

The product of its digits is 672, while the sum is 21.

The square root of 27223122 is about 5217.5781738274. The cubic root of 27223122 is about 300.8241118371.

Adding to 27223122 its reverse (22132272), we get a palindrome (49355394).

The spelling of 27223122 in words is "twenty-seven million, two hundred twenty-three thousand, one hundred twenty-two".