441221000 has 64 divisors (see below), whose sum is σ = 1126344960. Its totient is φ = 160440000.

The previous prime is 441220973. The next prime is 441221023. The reversal of 441221000 is 122144.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9056 + ... + 31055.

It is an arithmetic number, because the mean of its divisors is an integer number (17599140).

Almost surely, 2^441221000 is an apocalyptic number.

441221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441221000 is an abundant number, since it is smaller than the sum of its proper divisors (685123960).

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

441221000 is a wasteful number, since it uses less digits than its factorization.

441221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40143 (or 40129 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 441221000 is about 21005.2612456975. The cubic root of 441221000 is about 761.2933885787.

Adding to 441221000 its reverse (122144), we get a palindrome (441343144).

The spelling of 441221000 in words is "four hundred forty-one million, two hundred twenty-one thousand".