28622160 has 200 divisors, whose sum is σ = 113790336. Its totient is φ = 6531840.

The previous prime is 28622149. The next prime is 28622161. The reversal of 28622160 is 6122682.

28622160 is a `hidden beast` number, since 28 + 622 + 16 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28622161) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 45045 + ... + 45675.

Almost surely, 2^28622160 is an apocalyptic number.

28622160 is a gapful number since it is divisible by the number (20) 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 28622160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56895168).

28622160 is an abundant number, since it is smaller than the sum of its proper divisors (85168176).

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

28622160 is a wasteful number, since it uses less digits than its factorization.

28622160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 648 counting only the distinct ones).

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

The square root of 28622160 is about 5349.9682242047. The cubic root of 28622160 is about 305.8915417242.

It can be divided in two parts, 28622 and 160, that added together give a palindrome (28782).

The spelling of 28622160 in words is "twenty-eight million, six hundred twenty-two thousand, one hundred sixty".