28662922 has 8 divisors (see below), whose sum is σ = 44863776. Its totient is φ = 13708332.

The previous prime is 28662917. The next prime is 28662923. The reversal of 28662922 is 22926682.

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

It is not an unprimeable number, because it can be changed into a prime (28662923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311508 + ... + 311599.

It is an arithmetic number, because the mean of its divisors is an integer number (5607972).

Almost surely, 2^28662922 is an apocalyptic number.

28662922 is a deficient number, since it is larger than the sum of its proper divisors (16200854).

28662922 is a wasteful number, since it uses less digits than its factorization.

28662922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623132.

The product of its digits is 41472, while the sum is 37.

The square root of 28662922 is about 5353.7764241701. The cubic root of 28662922 is about 306.0366837705.

It can be divided in two parts, 28662 and 922, that added together give a square (29584 = 172²).

The spelling of 28662922 in words is "twenty-eight million, six hundred sixty-two thousand, nine hundred twenty-two".