401330224 has 40 divisors (see below), whose sum is σ = 793662992. Its totient is φ = 196542720.

The previous prime is 401330221. The next prime is 401330239. The reversal of 401330224 is 422033104.

It is a super-2 number, since 2×401330224² = 322131897391780352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401330221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275482 + ... + 276934.

Almost surely, 2^401330224 is an apocalyptic number.

It is an amenable number.

401330224 is a deficient number, since it is larger than the sum of its proper divisors (392332768).

401330224 is a wasteful number, since it uses less digits than its factorization.

401330224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 401330224 is about 20033.2279975045. The cubic root of 401330224 is about 737.6221605167.

Adding to 401330224 its reverse (422033104), we get a palindrome (823363328).

It can be divided in two parts, 401 and 330224, that added together give a square (330625 = 575²).

The spelling of 401330224 in words is "four hundred one million, three hundred thirty thousand, two hundred twenty-four".