214320225 has 24 divisors (see below), whose sum is σ = 404964160. Its totient is φ = 97974720.

The previous prime is 214320199. The next prime is 214320257. The reversal of 214320225 is 522023412.

It is not a de Polignac number, because 214320225 - 2⁹ = 214319713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203590 + ... + 204639.

Almost surely, 2^214320225 is an apocalyptic number.

214320225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214320225 is a deficient number, since it is larger than the sum of its proper divisors (190643935).

214320225 is a wasteful number, since it uses less digits than its factorization.

214320225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408249 (or 408244 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 214320225 is about 14639.6798120724. The cubic root of 214320225 is about 598.4406034261.

Adding to 214320225 its reverse (522023412), we get a palindrome (736343637).

The spelling of 214320225 in words is "two hundred fourteen million, three hundred twenty thousand, two hundred twenty-five".