22250 has 16 divisors (see below), whose sum is σ = 42120. Its totient is φ = 8800.

The previous prime is 22247. The next prime is 22259. The reversal of 22250 is 5222.

It can be written as a sum of positive squares in 4 ways, for example, as 3481 + 18769 = 59^2 + 137^2 .

It is a sliding number, since 22250 = 6250 + 16000 and 1/6250 + 1/16000 = 0.00022250.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 294.

2²²²⁵⁰ is an apocalyptic number.

22250 is a deficient number, since it is larger than the sum of its proper divisors (19870).

22250 is an equidigital number, since it uses as much as digits as its factorization.

22250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 22250 is about 149.1643389018. The cubic root of 22250 is about 28.1261316417.

Adding to 22250 its reverse (5222), we get a palindrome (27472).

It can be divided in two parts, 222 and 50, that added together give a palindrome (272).

The spelling of 22250 in words is "twenty-two thousand, two hundred fifty".