1172228 has 12 divisors (see below), whose sum is σ = 2062032. Its totient is φ = 583080.
The previous prime is 1172207. The next prime is 1172233. The reversal of 1172228 is 8222711.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 1553.
It is an arithmetic number, because the mean of its divisors is an integer number (171836).
21172228 is an apocalyptic number.
It is an amenable number.
1172228 is a deficient number, since it is larger than the sum of its proper divisors (889804).
1172228 is a wasteful number, since it uses less digits than its factorization.
1172228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1522 (or 1520 counting only the distinct ones).
The product of its digits is 448, while the sum is 23.
The square root of 1172228 is about 1082.6947861701. The cubic root of 1172228 is about 105.4396681171.
Adding to 1172228 its reverse (8222711), we get a palindrome (9394939).
The spelling of 1172228 in words is "one million, one hundred seventy-two thousand, two hundred twenty-eight".
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