202266 has 24 divisors (see below), whose sum is σ = 464724. Its totient is φ = 63360.

The previous prime is 202243. The next prime is 202277. The reversal of 202266 is 662202.

It can be written as a sum of positive squares in 2 ways, for example, as 184041 + 18225 = 429^2 + 135^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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, 25 + ... + 636.

2²⁰²²⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232362).

202266 is an abundant number, since it is smaller than the sum of its proper divisors (262458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202266 is a wasteful number, since it uses less digits than its factorization.

202266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 202266 is about 449.7399248455. The cubic root of 202266 is about 58.7003866641.

Adding to 202266 its reverse (662202), we get a palindrome (864468).

The spelling of 202266 in words is "two hundred two thousand, two hundred sixty-six".