28348822 has 8 divisors (see below), whose sum is σ = 42602616. Its totient is φ = 14147952.

The previous prime is 28348819. The next prime is 28348823. The reversal of 28348822 is 22884382.

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 (28348823) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 11863 + ... + 14050.

It is an arithmetic number, because the mean of its divisors is an integer number (5325327).

Almost surely, 2^28348822 is an apocalyptic number.

28348822 is a deficient number, since it is larger than the sum of its proper divisors (14253794).

28348822 is a wasteful number, since it uses less digits than its factorization.

28348822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26462.

The product of its digits is 49152, while the sum is 37.

The square root of 28348822 is about 5324.3611823392. The cubic root of 28348822 is about 304.9146836529.

The spelling of 28348822 in words is "twenty-eight million, three hundred forty-eight thousand, eight hundred twenty-two".