28541622 has 8 divisors (see below), whose sum is σ = 57083256. Its totient is φ = 9513872.

The previous prime is 28541603. The next prime is 28541627. The reversal of 28541622 is 22614582.

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

28541622 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28541622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28541627) 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 3 ways as a sum of consecutive naturals, for example, 2378463 + ... + 2378474.

It is an arithmetic number, because the mean of its divisors is an integer number (7135407).

Almost surely, 2^28541622 is an apocalyptic number.

28541622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28541622 is a wasteful number, since it uses less digits than its factorization.

28541622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756942.

The product of its digits is 7680, while the sum is 30.

The square root of 28541622 is about 5342.4359612446. The cubic root of 28541622 is about 305.6043628824.

The spelling of 28541622 in words is "twenty-eight million, five hundred forty-one thousand, six hundred twenty-two".