225121214 has 8 divisors (see below), whose sum is σ = 337749168. Its totient is φ = 112538160.

The previous prime is 225121207. The next prime is 225121231. The reversal of 225121214 is 412121522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7679 + ... + 22565.

It is an arithmetic number, because the mean of its divisors is an integer number (42218646).

Almost surely, 2^225121214 is an apocalyptic number.

225121214 is a deficient number, since it is larger than the sum of its proper divisors (112627954).

225121214 is a wasteful number, since it uses less digits than its factorization.

225121214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22450.

The product of its digits is 320, while the sum is 20.

The square root of 225121214 is about 15004.0399226342. The cubic root of 225121214 is about 608.3294018803.

Adding to 225121214 its reverse (412121522), we get a palindrome (637242736).

The spelling of 225121214 in words is "two hundred twenty-five million, one hundred twenty-one thousand, two hundred fourteen".