1441221000 has 128 divisors (see below), whose sum is σ = 4641960960. Its totient is φ = 371904000.

The previous prime is 1441220933. The next prime is 1441221013. The reversal of 1441221000 is 1221441.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85252 + ... + 100748.

It is an arithmetic number, because the mean of its divisors is an integer number (36265320).

Almost surely, 2^1441221000 is an apocalyptic number.

1441221000 is a gapful number since it is divisible by the number (10) 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 1441221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320980480).

1441221000 is an abundant number, since it is smaller than the sum of its proper divisors (3200739960).

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

1441221000 is a wasteful number, since it uses less digits than its factorization.

1441221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15552 (or 15538 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1441221000 is about 37963.4166007223. The cubic root of 1441221000 is about 1129.5623125435.

Adding to 1441221000 its reverse (1221441), we get a palindrome (1442442441).

The spelling of 1441221000 in words is "one billion, four hundred forty-one million, two hundred twenty-one thousand".