49221 has 8 divisors (see below), whose sum is σ = 72960. Its totient is φ = 32796.

The previous prime is 49211. The next prime is 49223. The reversal of 49221 is 12294.

It is not a de Polignac number, because 49221 - 2⁶ = 49157 is a prime.

It is a Curzon number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 49194 and 49203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (9120).

2⁴⁹²²¹ is an apocalyptic number.

It is an amenable number.

49221 is a deficient number, since it is larger than the sum of its proper divisors (23739).

49221 is a wasteful number, since it uses less digits than its factorization.

49221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832 (or 1826 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 49221 is about 221.8580627338. The cubic root of 49221 is about 36.6479886505.

The spelling of 49221 in words is "forty-nine thousand, two hundred twenty-one".