225214453 has 8 divisors (see below), whose sum is σ = 238597272. Its totient is φ = 211846656.

The previous prime is 225214447. The next prime is 225214489. The reversal of 225214453 is 354412522.

It can be written as a sum of positive squares in 4 ways, for example, as 51581124 + 173633329 = 7182^2 + 13177^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-225214453 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 (225214433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46251 + ... + 50887.

It is an arithmetic number, because the mean of its divisors is an integer number (29824659).

Almost surely, 2^225214453 is an apocalyptic number.

It is an amenable number.

225214453 is a deficient number, since it is larger than the sum of its proper divisors (13382819).

225214453 is a wasteful number, since it uses less digits than its factorization.

225214453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511.

The product of its digits is 9600, while the sum is 28.

The square root of 225214453 is about 15007.1467308080. The cubic root of 225214453 is about 608.4133747103.

Adding to 225214453 its reverse (354412522), we get a palindrome (579626975).

The spelling of 225214453 in words is "two hundred twenty-five million, two hundred fourteen thousand, four hundred fifty-three".