27980222 has 8 divisors (see below), whose sum is σ = 42083976. Its totient is φ = 13952232.

The previous prime is 27980221. The next prime is 27980233. The reversal of 27980222 is 22208972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27980221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18008 + ... + 19499.

It is an arithmetic number, because the mean of its divisors is an integer number (5260497).

Almost surely, 2^27980222 is an apocalyptic number.

27980222 is a deficient number, since it is larger than the sum of its proper divisors (14103754).

27980222 is a wasteful number, since it uses less digits than its factorization.

27980222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37882.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 27980222 is about 5289.6334466577. The cubic root of 27980222 is about 303.5873831364.

The spelling of 27980222 in words is "twenty-seven million, nine hundred eighty thousand, two hundred twenty-two".