220748472 has 96 divisors (see below), whose sum is σ = 697881600. Its totient is φ = 61722432.

The previous prime is 220748453. The next prime is 220748491. The reversal of 220748472 is 274847022.

It is an interprime number because it is at equal distance from previous prime (220748453) and next prime (220748491).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 19029 + ... + 28347.

It is an arithmetic number, because the mean of its divisors is an integer number (7269600).

Almost surely, 2^220748472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220748472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348940800).

220748472 is an abundant number, since it is smaller than the sum of its proper divisors (477133128).

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

220748472 is a wasteful number, since it uses less digits than its factorization.

220748472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385 (or 9378 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 220748472 is about 14857.6065367205. The cubic root of 220748472 is about 604.3649023771.

The spelling of 220748472 in words is "two hundred twenty million, seven hundred forty-eight thousand, four hundred seventy-two".