222250 has 32 divisors (see below), whose sum is σ = 479232. Its totient is φ = 75600.
The previous prime is 222247. The next prime is 222269. The reversal of 222250 is 52222.
It is a self number, because there is not a number n which added to its sum of digits gives 222250.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 1813.
It is an arithmetic number, because the mean of its divisors is an integer number (14976).
2222250 is an apocalyptic number.
222250 is an abundant number, since it is smaller than the sum of its proper divisors (256982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222250 is a wasteful number, since it uses less digits than its factorization.
222250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151 (or 141 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 13.
The square root of 222250 is about 471.4339826529. The cubic root of 222250 is about 60.5732101012.
Adding to 222250 its reverse (52222), we get a palindrome (274472).
The spelling of 222250 in words is "two hundred twenty-two thousand, two hundred fifty".
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