47722 has 8 divisors (see below), whose sum is σ = 72576. Its totient is φ = 23532.

The previous prime is 47717. The next prime is 47737. The reversal of 47722 is 22774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 47693 and 47702.

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, 103 + ... + 325.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2⁴⁷⁷²² is an apocalyptic number.

47722 is a deficient number, since it is larger than the sum of its proper divisors (24854).

47722 is a wasteful number, since it uses less digits than its factorization.

47722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 784, while the sum is 22.

The square root of 47722 is about 218.4536564125. The cubic root of 47722 is about 36.2721149242.

It can be divided in two parts, 4772 and 2, that added together give a palindrome (4774).

The spelling of 47722 in words is "forty-seven thousand, seven hundred twenty-two", and thus it is an iban number.