27960222 has 16 divisors (see below), whose sum is σ = 55973520. Its totient is φ = 9311232.

The previous prime is 27960221. The next prime is 27960227. The reversal of 27960222 is 22206972.

It is a self number, because there is not a number n which added to its sum of digits gives 27960222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27960221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9054 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (3498345).

Almost surely, 2^27960222 is an apocalyptic number.

27960222 is an abundant number, since it is smaller than the sum of its proper divisors (28013298).

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

27960222 is a wasteful number, since it uses less digits than its factorization.

27960222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 27960222 is about 5287.7426185472. The cubic root of 27960222 is about 303.5150320913.

It can be divided in two parts, 27960 and 222, that added together give a palindrome (28182).

The spelling of 27960222 in words is "twenty-seven million, nine hundred sixty thousand, two hundred twenty-two".