223620025 has 12 divisors (see below), whose sum is σ = 291883600. Its totient is φ = 169480080.

The previous prime is 223619993. The next prime is 223620037. The reversal of 223620025 is 520026322.

It is a happy number.

It is not a de Polignac number, because 223620025 - 2⁵ = 223619993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223619978 and 223620005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234915 + ... + 235864.

Almost surely, 2^223620025 is an apocalyptic number.

223620025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223620025 is a deficient number, since it is larger than the sum of its proper divisors (68263575).

223620025 is a wasteful number, since it uses less digits than its factorization.

223620025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470808 (or 470803 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 223620025 is about 14953.9300854324. The cubic root of 223620025 is about 606.9741988604.

Adding to 223620025 its reverse (520026322), we get a palindrome (743646347).

The spelling of 223620025 in words is "two hundred twenty-three million, six hundred twenty thousand, twenty-five".