224640346 has 32 divisors (see below), whose sum is σ = 410106240. Its totient is φ = 90087936.

The previous prime is 224640343. The next prime is 224640349. The reversal of 224640346 is 643046422.

It is an interprime number because it is at equal distance from previous prime (224640343) and next prime (224640349).

It is not an unprimeable number, because it can be changed into a prime (224640343) 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 15 ways as a sum of consecutive naturals, for example, 39966 + ... + 45238.

It is an arithmetic number, because the mean of its divisors is an integer number (12815820).

Almost surely, 2^224640346 is an apocalyptic number.

224640346 is a deficient number, since it is larger than the sum of its proper divisors (185465894).

224640346 is a wasteful number, since it uses less digits than its factorization.

224640346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 224640346 is about 14988.0067387228. The cubic root of 224640346 is about 607.8959543941.

Adding to 224640346 its reverse (643046422), we get a palindrome (867686768).

The spelling of 224640346 in words is "two hundred twenty-four million, six hundred forty thousand, three hundred forty-six".