28022714 has 4 divisors (see below), whose sum is σ = 42034074. Its totient is φ = 14011356.

The previous prime is 28022711. The next prime is 28022737. The reversal of 28022714 is 41722082.

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

It can be written as a sum of positive squares in only one way, i.e., 26884225 + 1138489 = 5185^2 + 1067^2 .

It is not an unprimeable number, because it can be changed into a prime (28022711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7005677 + ... + 7005680.

Almost surely, 2^28022714 is an apocalyptic number.

28022714 is a deficient number, since it is larger than the sum of its proper divisors (14011360).

28022714 is a wasteful number, since it uses less digits than its factorization.

28022714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14011359.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 28022714 is about 5293.6484582941. The cubic root of 28022714 is about 303.7409858062.

Adding to 28022714 its reverse (41722082), we get a palindrome (69744796).

The spelling of 28022714 in words is "twenty-eight million, twenty-two thousand, seven hundred fourteen".