224320406 has 16 divisors (see below), whose sum is σ = 360281520. Its totient is φ = 104375040.

The previous prime is 224320399. The next prime is 224320409. The reversal of 224320406 is 604023422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224320409) 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, 34040 + ... + 40091.

It is an arithmetic number, because the mean of its divisors is an integer number (22517595).

Almost surely, 2^224320406 is an apocalyptic number.

224320406 is a deficient number, since it is larger than the sum of its proper divisors (135961114).

224320406 is a wasteful number, since it uses less digits than its factorization.

224320406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74239.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 224320406 is about 14977.3297353033. The cubic root of 224320406 is about 607.6072222922.

Adding to 224320406 its reverse (604023422), we get a palindrome (828343828).

The spelling of 224320406 in words is "two hundred twenty-four million, three hundred twenty thousand, four hundred six".