225154423 has 4 divisors (see below), whose sum is σ = 242474008. Its totient is φ = 207834840.

The previous prime is 225154399. The next prime is 225154451. The reversal of 225154423 is 324451522.

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 225154423 - 2¹³ = 225146231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225154391 and 225154400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225154453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8659773 + ... + 8659798.

It is an arithmetic number, because the mean of its divisors is an integer number (60618502).

Almost surely, 2^225154423 is an apocalyptic number.

225154423 is a deficient number, since it is larger than the sum of its proper divisors (17319585).

225154423 is a wasteful number, since it uses less digits than its factorization.

225154423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17319584.

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

The square root of 225154423 is about 15005.1465504340. The cubic root of 225154423 is about 608.3593132000.

The spelling of 225154423 in words is "two hundred twenty-five million, one hundred fifty-four thousand, four hundred twenty-three".