223005425 has 12 divisors (see below), whose sum is σ = 279380556. Its totient is φ = 176563200.

The previous prime is 223005421. The next prime is 223005443. The reversal of 223005425 is 524500322.

It can be written as a sum of positive squares in 6 ways, for example, as 14145121 + 208860304 = 3761^2 + 14452^2 .

It is not a de Polignac number, because 223005425 - 2² = 223005421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223005425.

It is not an unprimeable number, because it can be changed into a prime (223005421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43556 + ... + 48405.

It is an arithmetic number, because the mean of its divisors is an integer number (23281713).

Almost surely, 2^223005425 is an apocalyptic number.

223005425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223005425 is a deficient number, since it is larger than the sum of its proper divisors (56375131).

223005425 is an equidigital number, since it uses as much as digits as its factorization.

223005425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92068 (or 92063 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 223005425 is about 14933.3661643984. The cubic root of 223005425 is about 606.4176168830.

Adding to 223005425 its reverse (524500322), we get a palindrome (747505747).

The spelling of 223005425 in words is "two hundred twenty-three million, five thousand, four hundred twenty-five".