28122467 has 2 divisors, whose sum is σ = 28122468. Its totient is φ = 28122466.

The previous prime is 28122463. The next prime is 28122469. The reversal of 28122467 is 76422182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28122467 - 2² = 28122463 is a prime.

Together with 28122469, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28122463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14061233 + 14061234.

It is an arithmetic number, because the mean of its divisors is an integer number (14061234).

Almost surely, 2^28122467 is an apocalyptic number.

28122467 is a deficient number, since it is larger than the sum of its proper divisors (1).

28122467 is an equidigital number, since it uses as much as digits as its factorization.

28122467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 28122467 is about 5303.0620399916. The cubic root of 28122467 is about 304.1009698941.

The spelling of 28122467 in words is "twenty-eight million, one hundred twenty-two thousand, four hundred sixty-seven".