223869225 has 48 divisors (see below), whose sum is σ = 387475200. Its totient is φ = 113932800.

The previous prime is 223869221. The next prime is 223869263. The reversal of 223869225 is 522968322.

It is not a de Polignac number, because 223869225 - 2² = 223869221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223869221) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 143751 + ... + 145299.

It is an arithmetic number, because the mean of its divisors is an integer number (8072400).

Almost surely, 2^223869225 is an apocalyptic number.

223869225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223869225 is a deficient number, since it is larger than the sum of its proper divisors (163605975).

223869225 is a wasteful number, since it uses less digits than its factorization.

223869225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650 (or 1645 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 223869225 is about 14962.2600231382. The cubic root of 223869225 is about 607.1995838907.

The spelling of 223869225 in words is "two hundred twenty-three million, eight hundred sixty-nine thousand, two hundred twenty-five".