401122344 has 64 divisors (see below), whose sum is σ = 1213488000. Its totient is φ = 107864064.

The previous prime is 401122343. The next prime is 401122373. The reversal of 401122344 is 443221104.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 401122344.

It is not an unprimeable number, because it can be changed into a prime (401122343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67369 + ... + 73080.

It is an arithmetic number, because the mean of its divisors is an integer number (18960750).

Almost surely, 2^401122344 is an apocalyptic number.

It is an amenable number.

401122344 is an abundant number, since it is smaller than the sum of its proper divisors (812365656).

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

401122344 is a wasteful number, since it uses less digits than its factorization.

401122344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140482 (or 140478 counting only the distinct ones).

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

The square root of 401122344 is about 20028.0389454385. The cubic root of 401122344 is about 737.4947813094.

Adding to 401122344 its reverse (443221104), we get a palindrome (844343448).

The spelling of 401122344 in words is "four hundred one million, one hundred twenty-two thousand, three hundred forty-four".