202223225 has 6 divisors (see below), whose sum is σ = 250756830. Its totient is φ = 161778560.

The previous prime is 202223209. The next prime is 202223237. The reversal of 202223225 is 522322202.

It can be written as a sum of positive squares in 3 ways, for example, as 43264 + 202179961 = 208^2 + 14219^2 .

It is not a de Polignac number, because 202223225 - 2⁴ = 202223209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202223197 and 202223206.

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, 4044440 + ... + 4044489.

It is an arithmetic number, because the mean of its divisors is an integer number (41792805).

Almost surely, 2^202223225 is an apocalyptic number.

202223225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202223225 is a deficient number, since it is larger than the sum of its proper divisors (48533605).

202223225 is an equidigital number, since it uses as much as digits as its factorization.

202223225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088939 (or 8088934 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 202223225 is about 14220.5212633011. The cubic root of 202223225 is about 586.9624840710.

Adding to 202223225 its reverse (522322202), we get a palindrome (724545427).

The spelling of 202223225 in words is "two hundred two million, two hundred twenty-three thousand, two hundred twenty-five".