4472280 has 128 divisors (see below), whose sum is σ = 15422400. Its totient is φ = 1152000.

The previous prime is 4472267. The next prime is 4472287. The reversal of 4472280 is 822744.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its 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 (4472287) 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 31 ways as a sum of consecutive naturals, for example, 44230 + ... + 44330.

Almost surely, 2^4472280 is an apocalyptic number.

4472280 is a gapful number since it is divisible by the number (40) 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 4472280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7711200).

4472280 is an abundant number, since it is smaller than the sum of its proper divisors (10950120).

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

4472280 is a wasteful number, since it uses less digits than its factorization.

4472280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 4472280 is about 2114.7765839445. The cubic root of 4472280 is about 164.7566661129.

The spelling of 4472280 in words is "four million, four hundred seventy-two thousand, two hundred eighty".