223055225 has 6 divisors (see below), whose sum is σ = 276588510. Its totient is φ = 178444160.

The previous prime is 223055201. The next prime is 223055227. The reversal of 223055225 is 522550322.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 90601 + 222964624 = 301^2 + 14932^2 .

It is not a de Polignac number, because 223055225 - 2⁸ = 223054969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223055194 and 223055203.

It is not an unprimeable number, because it can be changed into a prime (223055227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4461080 + ... + 4461129.

It is an arithmetic number, because the mean of its divisors is an integer number (46098085).

Almost surely, 2^223055225 is an apocalyptic number.

223055225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223055225 is a deficient number, since it is larger than the sum of its proper divisors (53533285).

223055225 is an equidigital number, since it uses as much as digits as its factorization.

223055225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8922219 (or 8922214 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 223055225 is about 14935.0334783689. The cubic root of 223055225 is about 606.4627538262.

The spelling of 223055225 in words is "two hundred twenty-three million, fifty-five thousand, two hundred twenty-five".