214657225 has 12 divisors (see below), whose sum is σ = 271839744. Its totient is φ = 168071120.

The previous prime is 214657187. The next prime is 214657243. The reversal of 214657225 is 522756412.

214657225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214657225 - 2⁷ = 214657097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90169 + ... + 92518.

It is an arithmetic number, because the mean of its divisors is an integer number (22653312).

Almost surely, 2^214657225 is an apocalyptic number.

214657225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214657225 is a deficient number, since it is larger than the sum of its proper divisors (57182519).

214657225 is a wasteful number, since it uses less digits than its factorization.

214657225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182744 (or 182739 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 214657225 is about 14651.1851056493. The cubic root of 214657225 is about 598.7541045129.

The spelling of 214657225 in words is "two hundred fourteen million, six hundred fifty-seven thousand, two hundred twenty-five".