214507225 has 6 divisors (see below), whose sum is σ = 265988990. Its totient is φ = 171605760.

The previous prime is 214507213. The next prime is 214507231. The reversal of 214507225 is 522705412.

It can be written as a sum of positive squares in 3 ways, for example, as 36578304 + 177928921 = 6048^2 + 13339^2 .

It is not a de Polignac number, because 214507225 - 2¹¹ = 214505177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214507193 and 214507202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4290120 + ... + 4290169.

Almost surely, 2^214507225 is an apocalyptic number.

214507225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214507225 is a deficient number, since it is larger than the sum of its proper divisors (51481765).

214507225 is an equidigital number, since it uses as much as digits as its factorization.

214507225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580299 (or 8580294 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 214507225 is about 14646.0651712329. The cubic root of 214507225 is about 598.6146045203.

The spelling of 214507225 in words is "two hundred fourteen million, five hundred seven thousand, two hundred twenty-five".