214212225 has 24 divisors (see below), whose sum is σ = 369565632. Its totient is φ = 109278400.

The previous prime is 214212209. The next prime is 214212227. The reversal of 214212225 is 522212412.

It is not a de Polignac number, because 214212225 - 2⁴ = 214212209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214212227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60366 + ... + 63815.

It is an arithmetic number, because the mean of its divisors is an integer number (15398568).

Almost surely, 2^214212225 is an apocalyptic number.

214212225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214212225 is a deficient number, since it is larger than the sum of its proper divisors (155353407).

214212225 is a wasteful number, since it uses less digits than its factorization.

214212225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124217 (or 124212 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 214212225 is about 14635.9907420031. The cubic root of 214212225 is about 598.3400647041.

Adding to 214212225 its reverse (522212412), we get a palindrome (736424637).

The spelling of 214212225 in words is "two hundred fourteen million, two hundred twelve thousand, two hundred twenty-five".