27968222 has 4 divisors (see below), whose sum is σ = 41952336. Its totient is φ = 13984110.

The previous prime is 27968219. The next prime is 27968327. The reversal of 27968222 is 22286972.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6992054 + ... + 6992057.

It is an arithmetic number, because the mean of its divisors is an integer number (10488084).

Almost surely, 2^27968222 is an apocalyptic number.

27968222 is a deficient number, since it is larger than the sum of its proper divisors (13984114).

27968222 is a wasteful number, since it uses less digits than its factorization.

27968222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984113.

The product of its digits is 48384, while the sum is 38.

The square root of 27968222 is about 5288.4990309161. The cubic root of 27968222 is about 303.5439766483.

The spelling of 27968222 in words is "twenty-seven million, nine hundred sixty-eight thousand, two hundred twenty-two".