422115 has 16 divisors (see below), whose sum is σ = 684288. Its totient is φ = 222176.
The previous prime is 422113. The next prime is 422129. The reversal of 422115 is 511224.
It is a cyclic number.
It is not a de Polignac number, because 422115 - 21 = 422113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a nialpdrome in base 15.
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 422094 and 422103.
It is not an unprimeable number, because it can be changed into a prime (422111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474 + ... + 1736.
It is an arithmetic number, because the mean of its divisors is an integer number (42768).
2422115 is an apocalyptic number.
422115 is a deficient number, since it is larger than the sum of its proper divisors (262173).
422115 is a wasteful number, since it uses less digits than its factorization.
422115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378.
The product of its digits is 80, while the sum is 15.
The square root of 422115 is about 649.7037786561. The cubic root of 422115 is about 75.0142195261.
Adding to 422115 its reverse (511224), we get a palindrome (933339).
The spelling of 422115 in words is "four hundred twenty-two thousand, one hundred fifteen".
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