21927314 has 16 divisors (see below), whose sum is σ = 35064576. Its totient is φ = 10248000.

The previous prime is 21927313. The next prime is 21927329. The reversal of 21927314 is 41372912.

It is not an unprimeable number, because it can be changed into a prime (21927313) 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, 2999 + ... + 7269.

It is an arithmetic number, because the mean of its divisors is an integer number (2191536).

Almost surely, 2^21927314 is an apocalyptic number.

21927314 is a deficient number, since it is larger than the sum of its proper divisors (13137262).

21927314 is a wasteful number, since it uses less digits than its factorization.

21927314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441.

The product of its digits is 3024, while the sum is 29.

The square root of 21927314 is about 4682.6609956306. The cubic root of 21927314 is about 279.8950031493.

The spelling of 21927314 in words is "twenty-one million, nine hundred twenty-seven thousand, three hundred fourteen".