28422395 has 4 divisors (see below), whose sum is σ = 34106880. Its totient is φ = 22737912.

The previous prime is 28422391. The next prime is 28422403. The reversal of 28422395 is 59322482.

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

It is a cyclic number.

It is not a de Polignac number, because 28422395 - 2² = 28422391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28422391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842235 + ... + 2842244.

It is an arithmetic number, because the mean of its divisors is an integer number (8526720).

Almost surely, 2^28422395 is an apocalyptic number.

28422395 is a deficient number, since it is larger than the sum of its proper divisors (5684485).

28422395 is an equidigital number, since it uses as much as digits as its factorization.

28422395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684484.

The product of its digits is 34560, while the sum is 35.

The square root of 28422395 is about 5331.2657971630. The cubic root of 28422395 is about 305.1782349794.

The spelling of 28422395 in words is "twenty-eight million, four hundred twenty-two thousand, three hundred ninety-five".