225648423 has 160 divisors (see below), whose sum is σ = 476163072. Its totient is φ = 103498560.

The previous prime is 225648419. The next prime is 225648433. The reversal of 225648423 is 324846522.

225648423 is a `hidden beast` number, since 2 + 2 + 5 + 648 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 225648423 - 2² = 225648419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225648413) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 9810790 + ... + 9810812.

Almost surely, 2^225648423 is an apocalyptic number.

225648423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225648423 is an abundant number, since it is smaller than the sum of its proper divisors (250514649).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225648423 is a wasteful number, since it uses less digits than its factorization.

225648423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 57 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 225648423 is about 15021.5985500878. The cubic root of 225648423 is about 608.8039117293.

The spelling of 225648423 in words is "two hundred twenty-five million, six hundred forty-eight thousand, four hundred twenty-three".