28606822 has 4 divisors (see below), whose sum is σ = 42910236. Its totient is φ = 14303410.

The previous prime is 28606819. The next prime is 28606841. The reversal of 28606822 is 22860682.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7151704 + ... + 7151707.

It is an arithmetic number, because the mean of its divisors is an integer number (10727559).

Almost surely, 2^28606822 is an apocalyptic number.

28606822 is a deficient number, since it is larger than the sum of its proper divisors (14303414).

28606822 is a wasteful number, since it uses less digits than its factorization.

28606822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14303413.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 28606822 is about 5348.5345656544. The cubic root of 28606822 is about 305.8368917282.

The spelling of 28606822 in words is "twenty-eight million, six hundred six thousand, eight hundred twenty-two".