28301822 has 32 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 12893760.

The previous prime is 28301813. The next prime is 28301827. The reversal of 28301822 is 22810382.

It is a junction number, because it is equal to n+sod(n) for n = 28301791 and 28301800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28301827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126803 + ... + 127025.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^28301822 is an apocalyptic number.

28301822 is a deficient number, since it is larger than the sum of its proper divisors (18146818).

28301822 is a wasteful number, since it uses less digits than its factorization.

28301822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28301822 is about 5319.9456764144. The cubic root of 28301822 is about 304.7460826755.

The spelling of 28301822 in words is "twenty-eight million, three hundred one thousand, eight hundred twenty-two".