223425 has 24 divisors (see below), whose sum is σ = 411680. Its totient is φ = 118800.

The previous prime is 223423. The next prime is 223429. The reversal of 223425 is 524322.

223425 = T₃₀ + T₃₁ + ... + T₁₁₀.

It is not a de Polignac number, because 223425 - 2¹ = 223423 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 223398 and 223407.

It is not an unprimeable number, because it can be changed into a prime (223423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510 + ... + 840.

2²²³⁴²⁵ is an apocalyptic number.

223425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223425 is a deficient number, since it is larger than the sum of its proper divisors (188255).

223425 is a wasteful number, since it uses less digits than its factorization.

223425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 339 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 223425 is about 472.6785376977. The cubic root of 223425 is about 60.6797694732.

Adding to 223425 its reverse (524322), we get a palindrome (747747).

The spelling of 223425 in words is "two hundred twenty-three thousand, four hundred twenty-five".