400601224 has 32 divisors (see below), whose sum is σ = 765260640. Its totient is φ = 196560000.

The previous prime is 400601221. The next prime is 400601233. The reversal of 400601224 is 422106004.

It is not an unprimeable number, because it can be changed into a prime (400601221) 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, 121599 + ... + 124849.

It is an arithmetic number, because the mean of its divisors is an integer number (23914395).

Almost surely, 2^400601224 is an apocalyptic number.

It is an amenable number.

400601224 is a deficient number, since it is larger than the sum of its proper divisors (364659416).

400601224 is a wasteful number, since it uses less digits than its factorization.

400601224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 400601224 is about 20015.0249562672. The cubic root of 400601224 is about 737.1752696208.

Adding to 400601224 its reverse (422106004), we get a palindrome (822707228).

The spelling of 400601224 in words is "four hundred million, six hundred one thousand, two hundred twenty-four".