28226016 has 192 divisors, whose sum is σ = 101606400. Its totient is φ = 7423488.

The previous prime is 28225993. The next prime is 28226071. The reversal of 28226016 is 61062282.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 78445 + ... + 78803.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^28226016 is an apocalyptic number.

28226016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28226016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50803200).

28226016 is an abundant number, since it is smaller than the sum of its proper divisors (73380384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28226016 is a wasteful number, since it uses less digits than its factorization.

28226016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28226016 is about 5312.8162023545. The cubic root of 28226016 is about 304.4737534707.

Adding to 28226016 its reverse (61062282), we get a palindrome (89288298).

The spelling of 28226016 in words is "twenty-eight million, two hundred twenty-six thousand, sixteen".