28549622 has 8 divisors (see below), whose sum is σ = 43266216. Its totient is φ = 14127552.

The previous prime is 28549621. The next prime is 28549637. The reversal of 28549622 is 22694582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28549621) 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, 73388 + ... + 73775.

It is an arithmetic number, because the mean of its divisors is an integer number (5408277).

Almost surely, 2^28549622 is an apocalyptic number.

28549622 is a deficient number, since it is larger than the sum of its proper divisors (14716594).

28549622 is a wasteful number, since it uses less digits than its factorization.

28549622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147262.

The product of its digits is 69120, while the sum is 38.

The square root of 28549622 is about 5343.1846309107. The cubic root of 28549622 is about 305.6329130761.

The spelling of 28549622 in words is "twenty-eight million, five hundred forty-nine thousand, six hundred twenty-two".