401225324 has 24 divisors (see below), whose sum is σ = 731687040. Its totient is φ = 192273536.

The previous prime is 401225269. The next prime is 401225327. The reversal of 401225324 is 423522104.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 401225324.

It is not an unprimeable number, because it can be changed into a prime (401225327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269 + ... + 28515.

It is an arithmetic number, because the mean of its divisors is an integer number (30486960).

Almost surely, 2^401225324 is an apocalyptic number.

It is an amenable number.

401225324 is a deficient number, since it is larger than the sum of its proper divisors (330461716).

401225324 is a wasteful number, since it uses less digits than its factorization.

401225324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25417 (or 25415 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 401225324 is about 20030.6096761931. The cubic root of 401225324 is about 737.5578881689.

Adding to 401225324 its reverse (423522104), we get a palindrome (824747428).

The spelling of 401225324 in words is "four hundred one million, two hundred twenty-five thousand, three hundred twenty-four".