4487221800 has 240 divisors, whose sum is σ = 16263735840. Its totient is φ = 1144471680.

The previous prime is 4487221789. The next prime is 4487221807. The reversal of 4487221800 is 81227844.

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

It is not an unprimeable number, because it can be changed into a prime (4487221807) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 366579 + ... + 378621.

It is an arithmetic number, because the mean of its divisors is an integer number (67765566).

Almost surely, 2^4487221800 is an apocalyptic number.

4487221800 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 4487221800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8131867920).

4487221800 is an abundant number, since it is smaller than the sum of its proper divisors (11776514040).

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

4487221800 is a wasteful number, since it uses less digits than its factorization.

4487221800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12094 (or 12076 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 4487221800 is about 66986.7285363302. The cubic root of 4487221800 is about 1649.3994508666.

The spelling of 4487221800 in words is "four billion, four hundred eighty-seven million, two hundred twenty-one thousand, eight hundred".