214878225 has 12 divisors (see below), whose sum is σ = 355265456. Its totient is φ = 114601680.

The previous prime is 214878193. The next prime is 214878227. The reversal of 214878225 is 522878412.

It is not a de Polignac number, because 214878225 - 2⁵ = 214878193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214878227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1432447 + ... + 1432596.

Almost surely, 2^214878225 is an apocalyptic number.

214878225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214878225 is a deficient number, since it is larger than the sum of its proper divisors (140387231).

214878225 is a wasteful number, since it uses less digits than its factorization.

214878225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865056 (or 2865051 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 214878225 is about 14658.7252174260. The cubic root of 214878225 is about 598.9595161430.

The spelling of 214878225 in words is "two hundred fourteen million, eight hundred seventy-eight thousand, two hundred twenty-five".