28244068 has 6 divisors (see below), whose sum is σ = 49427126. Its totient is φ = 14122032.

The previous prime is 28244059. The next prime is 28244101. The reversal of 28244068 is 86044282.

It can be written as a sum of positive squares in only one way, i.e., 22963264 + 5280804 = 4792^2 + 2298^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3530505 + ... + 3530512.

Almost surely, 2^28244068 is an apocalyptic number.

It is an amenable number.

28244068 is a deficient number, since it is larger than the sum of its proper divisors (21183058).

28244068 is a wasteful number, since it uses less digits than its factorization.

28244068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7061021 (or 7061019 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 28244068 is about 5314.5148414507. The cubic root of 28244068 is about 304.5386485528.

The spelling of 28244068 in words is "twenty-eight million, two hundred forty-four thousand, sixty-eight".