223866625 has 24 divisors (see below), whose sum is σ = 296834616. Its totient is φ = 168531200.

The previous prime is 223866619. The next prime is 223866667. The reversal of 223866625 is 526668322.

It can be written as a sum of positive squares in 12 ways, for example, as 105513984 + 118352641 = 10272^2 + 10879^2 .

It is not a de Polignac number, because 223866625 - 2¹⁷ = 223735553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33027 + ... + 39223.

It is an arithmetic number, because the mean of its divisors is an integer number (12368109).

Almost surely, 2^223866625 is an apocalyptic number.

223866625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223866625 is a deficient number, since it is larger than the sum of its proper divisors (72967991).

223866625 is an equidigital number, since it uses as much as digits as its factorization.

223866625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246 (or 6219 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 223866625 is about 14962.1731376161. The cubic root of 223866625 is about 607.1972332251.

The spelling of 223866625 in words is "two hundred twenty-three million, eight hundred sixty-six thousand, six hundred twenty-five".