28282822 has 4 divisors (see below), whose sum is σ = 42424236. Its totient is φ = 14141410.

The previous prime is 28282817. The next prime is 28282823. The reversal of 28282822 is 22828282.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28282823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7070704 + ... + 7070707.

It is an arithmetic number, because the mean of its divisors is an integer number (10606059).

Almost surely, 2^28282822 is an apocalyptic number.

28282822 is a deficient number, since it is larger than the sum of its proper divisors (14141414).

28282822 is a wasteful number, since it uses less digits than its factorization.

28282822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141413.

The product of its digits is 16384, while the sum is 34.

The square root of 28282822 is about 5318.1596440874. The cubic root of 28282822 is about 304.6778718518.

The spelling of 28282822 in words is "twenty-eight million, two hundred eighty-two thousand, eight hundred twenty-two".