225353424 has 20 divisors (see below), whose sum is σ = 582163136. Its totient is φ = 75117792.

The previous prime is 225353423. The next prime is 225353431. The reversal of 225353424 is 424353522.

It is a super-3 number, since 3×225353424³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225353391 and 225353400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225353423) 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, 2347384 + ... + 2347479.

Almost surely, 2^225353424 is an apocalyptic number.

225353424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225353424 is an abundant number, since it is smaller than the sum of its proper divisors (356809712).

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

225353424 is a wasteful number, since it uses less digits than its factorization.

225353424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694874 (or 4694868 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 225353424 is about 15011.7761773882. The cubic root of 225353424 is about 608.5384916506.

The spelling of 225353424 in words is "two hundred twenty-five million, three hundred fifty-three thousand, four hundred twenty-four".