108221472 has 54 divisors (see below), whose sum is σ = 308257677. Its totient is φ = 36014976.

The previous prime is 108221471. The next prime is 108221489. The reversal of 108221472 is 274122801.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 60279696 + 47941776 = 7764^2 + 6924^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7356.

It is not an unprimeable number, because it can be changed into a prime (108221471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 176238 + ... + 176850.

Almost surely, 2^108221472 is an apocalyptic number.

108221472 is a gapful number since it is divisible by the number (12) 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 108221472

108221472 is an abundant number, since it is smaller than the sum of its proper divisors (200036205).

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

108221472 is an frugal number, since it uses more digits than its factorization.

108221472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 108221472 is about 10402.9549648165. The cubic root of 108221472 is about 476.5456163729.

The spelling of 108221472 in words is "one hundred eight million, two hundred twenty-one thousand, four hundred seventy-two".