223356425 has 6 divisors (see below), whose sum is σ = 276961998. Its totient is φ = 178685120.

The previous prime is 223356373. The next prime is 223356451. The reversal of 223356425 is 524653322.

It can be written as a sum of positive squares in 3 ways, for example, as 40998409 + 182358016 = 6403^2 + 13504^2 .

It is not a de Polignac number, because 223356425 - 2¹² = 223352329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223356391 and 223356400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4467104 + ... + 4467153.

It is an arithmetic number, because the mean of its divisors is an integer number (46160333).

Almost surely, 2^223356425 is an apocalyptic number.

223356425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223356425 is a deficient number, since it is larger than the sum of its proper divisors (53605573).

223356425 is an equidigital number, since it uses as much as digits as its factorization.

223356425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934267 (or 8934262 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 223356425 is about 14945.1137499853. The cubic root of 223356425 is about 606.7356076640.

The spelling of 223356425 in words is "two hundred twenty-three million, three hundred fifty-six thousand, four hundred twenty-five".