28022927 has 2 divisors, whose sum is σ = 28022928. Its totient is φ = 28022926.

The previous prime is 28022921. The next prime is 28022941. The reversal of 28022927 is 72922082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28022927 - 2¹⁴ = 28006543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28022893 and 28022902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28022921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14011463 + 14011464.

It is an arithmetic number, because the mean of its divisors is an integer number (14011464).

Almost surely, 2^28022927 is an apocalyptic number.

28022927 is a deficient number, since it is larger than the sum of its proper divisors (1).

28022927 is an equidigital number, since it uses as much as digits as its factorization.

28022927 is an evil number, because the sum of its binary digits is even.

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

The square root of 28022927 is about 5293.6685767056. The cubic root of 28022927 is about 303.7417553803.

The spelling of 28022927 in words is "twenty-eight million, twenty-two thousand, nine hundred twenty-seven".