401113224 has 48 divisors (see below), whose sum is σ = 1092452400. Its totient is φ = 132953184.

The previous prime is 401113217. The next prime is 401113241. The reversal of 401113224 is 422311104.

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 = 401113197 and 401113206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2674 + ... + 28449.

It is an arithmetic number, because the mean of its divisors is an integer number (22759425).

Almost surely, 2^401113224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401113224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546226200).

401113224 is an abundant number, since it is smaller than the sum of its proper divisors (691339176).

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

401113224 is a wasteful number, since it uses less digits than its factorization.

401113224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31314 (or 31307 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 401113224 is about 20027.8112633408. The cubic root of 401113224 is about 737.4891919895.

Adding to 401113224 its reverse (422311104), we get a palindrome (823424328).

The spelling of 401113224 in words is "four hundred one million, one hundred thirteen thousand, two hundred twenty-four".