400233224 has 16 divisors (see below), whose sum is σ = 753580800. Its totient is φ = 199278352.

The previous prime is 400233203. The next prime is 400233241. The reversal of 400233224 is 422332004.

It is a junction number, because it is equal to n+sod(n) for n = 400233196 and 400233205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102752 + ... + 106575.

It is an arithmetic number, because the mean of its divisors is an integer number (47098800).

Almost surely, 2^400233224 is an apocalyptic number.

It is an amenable number.

400233224 is a deficient number, since it is larger than the sum of its proper divisors (353347576).

400233224 is a wasteful number, since it uses less digits than its factorization.

400233224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209572 (or 209568 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 400233224 is about 20005.8297503503. The cubic root of 400233224 is about 736.9494726659.

Adding to 400233224 its reverse (422332004), we get a palindrome (822565228).

The spelling of 400233224 in words is "four hundred million, two hundred thirty-three thousand, two hundred twenty-four".