223735625 has 10 divisors (see below), whose sum is σ = 279580818. Its totient is φ = 178988000.

The previous prime is 223735619. The next prime is 223735669. The reversal of 223735625 is 526537322.

It can be written as a sum of positive squares in 5 ways, for example, as 84566416 + 139169209 = 9196^2 + 11797^2 .

It is not a de Polignac number, because 223735625 - 2¹⁰ = 223734601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 178364 + ... + 179613.

Almost surely, 2^223735625 is an apocalyptic number.

223735625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223735625 is a deficient number, since it is larger than the sum of its proper divisors (55845193).

223735625 is an frugal number, since it uses more digits than its factorization.

223735625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357997 (or 357982 counting only the distinct ones).

The product of its digits is 75600, while the sum is 35.

The square root of 223735625 is about 14957.7947906769. The cubic root of 223735625 is about 607.0787722770.

The spelling of 223735625 in words is "two hundred twenty-three million, seven hundred thirty-five thousand, six hundred twenty-five".