47522 has 4 divisors (see below), whose sum is σ = 71286. Its totient is φ = 23760.
The previous prime is 47521. The next prime is 47527. The reversal of 47522 is 22574.
47522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22574 = 2 ⋅11287.
It can be written as a sum of positive squares in only one way, i.e., 39601 + 7921 = 199^2 + 89^2 .
It is a plaindrome in base 14.
It is a junction number, because it is equal to n+sod(n) for n = 47494 and 47503.
It is not an unprimeable number, because it can be changed into a prime (47521) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11879 + ... + 11882.
247522 is an apocalyptic number.
47522 is a deficient number, since it is larger than the sum of its proper divisors (23764).
47522 is a wasteful number, since it uses less digits than its factorization.
47522 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23763.
The product of its digits is 560, while the sum is 20.
The square root of 47522 is about 217.9954127958. The cubic root of 47522 is about 36.2213725627.
The spelling of 47522 in words is "forty-seven thousand, five hundred twenty-two".
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