223455225 has 48 divisors (see below), whose sum is σ = 447078528. Its totient is φ = 96138240.

The previous prime is 223455217. The next prime is 223455227. The reversal of 223455225 is 522554322.

It is not a de Polignac number, because 223455225 - 2³ = 223455217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223455192 and 223455201.

It is not an unprimeable number, because it can be changed into a prime (223455227) 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, 3594 + ... + 21443.

It is an arithmetic number, because the mean of its divisors is an integer number (9314136).

Almost surely, 2^223455225 is an apocalyptic number.

223455225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223455225 is an abundant number, since it is smaller than the sum of its proper divisors (223623303).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223455225 is a wasteful number, since it uses less digits than its factorization.

223455225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25074 (or 25069 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 223455225 is about 14948.4188127039. The cubic root of 223455225 is about 606.8250560891.

The spelling of 223455225 in words is "two hundred twenty-three million, four hundred fifty-five thousand, two hundred twenty-five".