441621224 has 32 divisors (see below), whose sum is σ = 904357440. Its totient is φ = 200505600.

The previous prime is 441621221. The next prime is 441621241. The reversal of 441621224 is 422126144.

It is a junction number, because it is equal to n+sod(n) for n = 441621193 and 441621202.

It is not an unprimeable number, because it can be changed into a prime (441621221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91184 + ... + 95904.

It is an arithmetic number, because the mean of its divisors is an integer number (28261170).

Almost surely, 2^441621224 is an apocalyptic number.

441621224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

441621224 is an abundant number, since it is smaller than the sum of its proper divisors (462736216).

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

441621224 is a wasteful number, since it uses less digits than its factorization.

441621224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801 (or 5797 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 441621224 is about 21014.7858423539. The cubic root of 441621224 is about 761.5235044056.

Adding to 441621224 its reverse (422126144), we get a palindrome (863747368).

The spelling of 441621224 in words is "four hundred forty-one million, six hundred twenty-one thousand, two hundred twenty-four".