47422 has 8 divisors (see below), whose sum is σ = 72072. Its totient is φ = 23400.
The previous prime is 47419. The next prime is 47431. The reversal of 47422 is 22474.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 47422.
It is a congruent number.
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, 172 + ... + 352.
It is an arithmetic number, because the mean of its divisors is an integer number (9009).
247422 is an apocalyptic number.
47422 is a deficient number, since it is larger than the sum of its proper divisors (24650).
47422 is a wasteful number, since it uses less digits than its factorization.
47422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314.
The product of its digits is 448, while the sum is 19.
The square root of 47422 is about 217.7659293829. The cubic root of 47422 is about 36.1959479811.
Adding to 47422 its reverse (22474), we get a palindrome (69896).
It can be divided in two parts, 474 and 22, that added together give a triangular number (496 = T31).
The spelling of 47422 in words is "forty-seven thousand, four hundred twenty-two", and thus it is an iban number.
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