28162322 has 8 divisors (see below), whose sum is σ = 43606272. Its totient is φ = 13626900.

The previous prime is 28162307. The next prime is 28162331. The reversal of 28162322 is 22326182.

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

It is a junction number, because it is equal to n+sod(n) for n = 28162291 and 28162300.

It is an unprimeable number.

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, 227054 + ... + 227177.

It is an arithmetic number, because the mean of its divisors is an integer number (5450784).

Almost surely, 2^28162322 is an apocalyptic number.

28162322 is a deficient number, since it is larger than the sum of its proper divisors (15443950).

28162322 is a wasteful number, since it uses less digits than its factorization.

28162322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454264.

The product of its digits is 2304, while the sum is 26.

The square root of 28162322 is about 5306.8184442281. The cubic root of 28162322 is about 304.2445588050.

The spelling of 28162322 in words is "twenty-eight million, one hundred sixty-two thousand, three hundred twenty-two".