219422 has 12 divisors (see below), whose sum is σ = 383040. Its totient is φ = 93996.
The previous prime is 219409. The next prime is 219433. The reversal of 219422 is 224912.
It is a junction number, because it is equal to n+sod(n) for n = 219394 and 219403.
It is a congruent number.
It is an unprimeable number.
219422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1022 + ... + 1217.
It is an arithmetic number, because the mean of its divisors is an integer number (31920).
2219422 is an apocalyptic number.
219422 is a deficient number, since it is larger than the sum of its proper divisors (163618).
219422 is a wasteful number, since it uses less digits than its factorization.
219422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2255 (or 2248 counting only the distinct ones).
The product of its digits is 288, while the sum is 20.
The square root of 219422 is about 468.4250206810. The cubic root of 219422 is about 60.3151931735.
The spelling of 219422 in words is "two hundred nineteen thousand, four hundred twenty-two".
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