225214351 has 4 divisors (see below), whose sum is σ = 238462272. Its totient is φ = 211966432.

The previous prime is 225214303. The next prime is 225214357. The reversal of 225214351 is 153412522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225214351 - 2¹⁷ = 225083279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225214357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623935 + ... + 6623968.

It is an arithmetic number, because the mean of its divisors is an integer number (59615568).

Almost surely, 2^225214351 is an apocalyptic number.

225214351 is a deficient number, since it is larger than the sum of its proper divisors (13247921).

225214351 is a wasteful number, since it uses less digits than its factorization.

225214351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13247920.

The product of its digits is 2400, while the sum is 25.

The square root of 225214351 is about 15007.1433324267. The cubic root of 225214351 is about 608.4132828598.

Adding to 225214351 its reverse (153412522), we get a palindrome (378626873).

The spelling of 225214351 in words is "two hundred twenty-five million, two hundred fourteen thousand, three hundred fifty-one".