223425605 has 24 divisors (see below), whose sum is σ = 297448200. Its totient is φ = 160942080.

The previous prime is 223425593. The next prime is 223425607. The reversal of 223425605 is 506524322.

It can be written as a sum of positive squares in 12 ways, for example, as 121859521 + 101566084 = 11039^2 + 10078^2 .

It is not a de Polignac number, because 223425605 - 2⁴ = 223425589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223425607) 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, 31421 + ... + 37869.

It is an arithmetic number, because the mean of its divisors is an integer number (12393675).

Almost surely, 2^223425605 is an apocalyptic number.

It is an amenable number.

223425605 is a deficient number, since it is larger than the sum of its proper divisors (74022595).

223425605 is a wasteful number, since it uses less digits than its factorization.

223425605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521 (or 6508 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 223425605 is about 14947.4280396328. The cubic root of 223425605 is about 606.7982424364.

Adding to 223425605 its reverse (506524322), we get a palindrome (729949927).

The spelling of 223425605 in words is "two hundred twenty-three million, four hundred twenty-five thousand, six hundred five".