28422086 has 16 divisors (see below), whose sum is σ = 53153280. Its totient is φ = 11073480.

The previous prime is 28422083. The next prime is 28422091. The reversal of 28422086 is 68022482.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28422083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92126 + ... + 92433.

It is an arithmetic number, because the mean of its divisors is an integer number (3322080).

Almost surely, 2^28422086 is an apocalyptic number.

28422086 is a deficient number, since it is larger than the sum of its proper divisors (24731194).

28422086 is a wasteful number, since it uses less digits than its factorization.

28422086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184579.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 28422086 is about 5331.2368170998. The cubic root of 28422086 is about 305.1771290391.

The spelling of 28422086 in words is "twenty-eight million, four hundred twenty-two thousand, eighty-six".