441401022 has 64 divisors (see below), whose sum is σ = 1049509440. Its totient is φ = 137023488.

The previous prime is 441401021. The next prime is 441401029. The reversal of 441401022 is 220104144.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 441400986 and 441401004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441401021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86568 + ... + 91524.

It is an arithmetic number, because the mean of its divisors is an integer number (16398585).

Almost surely, 2^441401022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441401022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524754720).

441401022 is an abundant number, since it is smaller than the sum of its proper divisors (608108418).

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

441401022 is a wasteful number, since it uses less digits than its factorization.

441401022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 441401022 is about 21009.5459731999. The cubic root of 441401022 is about 761.3969126052.

Adding to 441401022 its reverse (220104144), we get a palindrome (661505166).

The spelling of 441401022 in words is "four hundred forty-one million, four hundred one thousand, twenty-two".