27974222 has 4 divisors (see below), whose sum is σ = 41961336. Its totient is φ = 13987110.

The previous prime is 27974207. The next prime is 27974227. The reversal of 27974222 is 22247972.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27974227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6993554 + ... + 6993557.

It is an arithmetic number, because the mean of its divisors is an integer number (10490334).

Almost surely, 2^27974222 is an apocalyptic number.

27974222 is a deficient number, since it is larger than the sum of its proper divisors (13987114).

27974222 is a wasteful number, since it uses less digits than its factorization.

27974222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987113.

The product of its digits is 28224, while the sum is 35.

The square root of 27974222 is about 5289.0662692010. The cubic root of 27974222 is about 303.5656814440.

The spelling of 27974222 in words is "twenty-seven million, nine hundred seventy-four thousand, two hundred twenty-two".