441221430 has 64 divisors (see below), whose sum is σ = 1164699648. Its totient is φ = 106293120.

The previous prime is 441221413. The next prime is 441221441. The reversal of 441221430 is 34122144.

It is a junction number, because it is equal to n+sod(n) for n = 441221397 and 441221406.

It is a congruent number.

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, 6295 + ... + 30365.

It is an arithmetic number, because the mean of its divisors is an integer number (18198432).

Almost surely, 2^441221430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441221430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582349824).

441221430 is an abundant number, since it is smaller than the sum of its proper divisors (723478218).

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

441221430 is a wasteful number, since it uses less digits than its factorization.

441221430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24141.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 441221430 is about 21005.2714812258. The cubic root of 441221430 is about 761.2936358894.

Adding to 441221430 its reverse (34122144), we get a palindrome (475343574).

The spelling of 441221430 in words is "four hundred forty-one million, two hundred twenty-one thousand, four hundred thirty".