400314224 has 20 divisors (see below), whose sum is σ = 778112400. Its totient is φ = 199511040.

The previous prime is 400314217. The next prime is 400314227. The reversal of 400314224 is 422413004.

It is a junction number, because it is equal to n+sod(n) for n = 400314196 and 400314205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400314227) 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 3 ways as a sum of consecutive naturals, for example, 35249 + ... + 45200.

It is an arithmetic number, because the mean of its divisors is an integer number (38905620).

Almost surely, 2^400314224 is an apocalyptic number.

It is an amenable number.

400314224 is a deficient number, since it is larger than the sum of its proper divisors (377798176).

400314224 is a wasteful number, since it uses less digits than its factorization.

400314224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80768 (or 80762 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 400314224 is about 20007.8540578444. The cubic root of 400314224 is about 736.9991844150. Note that the first 3 decimals are identical.

Adding to 400314224 its reverse (422413004), we get a palindrome (822727228).

The spelling of 400314224 in words is "four hundred million, three hundred fourteen thousand, two hundred twenty-four".