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202225 = 528089
BaseRepresentation
bin110001010111110001
3101021101211
4301113301
522432400
64200121
71501402
oct612761
9337354
10202225
11128a31
1299041
137107a
14539a9
153edba
hex315f1

202225 has 6 divisors (see below), whose sum is σ = 250790. Its totient is φ = 161760.

The previous prime is 202219. The next prime is 202231. The reversal of 202225 is 522202.

Adding to 202225 its reverse (522202), we get a palindrome (724427).

It is an interprime number because it is at equal distance from previous prime (202219) and next prime (202231).

It can be written as a sum of positive squares in 3 ways, for example, as 1521 + 200704 = 39^2 + 448^2 .

It is not a de Polignac number, because 202225 - 211 = 200177 is a prime.

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, 4020 + ... + 4069.

2202225 is an apocalyptic number.

202225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202225 is a deficient number, since it is larger than the sum of its proper divisors (48565).

202225 is an equidigital number, since it uses as much as digits as its factorization.

202225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8099 (or 8094 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 202225 is about 449.6943406359. The cubic root of 202225 is about 58.6964201406.

The spelling of 202225 in words is "two hundred two thousand, two hundred twenty-five".

Divisors: 1 5 25 8089 40445 202225