202246225 has 6 divisors (see below), whose sum is σ = 250785350. Its totient is φ = 161796960.

The previous prime is 202246189. The next prime is 202246237. The reversal of 202246225 is 522642202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11778624 + 190467601 = 3432^2 + 13801^2 .

It is not a de Polignac number, because 202246225 - 2⁹ = 202245713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 8089849 = 202246225 / (2 + 0 + 2 + 2 + 4 + 6 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 202246225.

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, 4044900 + ... + 4044949.

Almost surely, 2^202246225 is an apocalyptic number.

202246225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202246225 is a deficient number, since it is larger than the sum of its proper divisors (48539125).

202246225 is an equidigital number, since it uses as much as digits as its factorization.

202246225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8089859 (or 8089854 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 202246225 is about 14221.3299307765. The cubic root of 202246225 is about 586.9847360903.

Adding to 202246225 its reverse (522642202), we get a palindrome (724888427).

The spelling of 202246225 in words is "two hundred two million, two hundred forty-six thousand, two hundred twenty-five".