441621222 has 48 divisors (see below), whose sum is σ = 1062894960. Its totient is φ = 121824192.

The previous prime is 441621221. The next prime is 441621241. The reversal of 441621222 is 222126144.

It is a happy number.

It is a super-3 number, since 3×441621222³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 441621192 and 441621201.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 17373 + ... + 34424.

It is an arithmetic number, because the mean of its divisors is an integer number (22143645).

Almost surely, 2^441621222 is an apocalyptic number.

441621222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

441621222 is an abundant number, since it is smaller than the sum of its proper divisors (621273738).

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

441621222 is a wasteful number, since it uses less digits than its factorization.

441621222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51845 (or 51838 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 441621222 is about 21014.7857947684. The cubic root of 441621222 is about 761.5235032561.

Adding to 441621222 its reverse (222126144), we get a palindrome (663747366).

The spelling of 441621222 in words is "four hundred forty-one million, six hundred twenty-one thousand, two hundred twenty-two".