60221 has 6 divisors (see below), whose sum is σ = 70110. Its totient is φ = 51576.

The previous prime is 60217. The next prime is 60223. The reversal of 60221 is 12206.

It can be written as a sum of positive squares in only one way, i.e., 60025 + 196 = 245^2 + 14^2 .

It is not a de Polignac number, because 60221 - 2² = 60217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566 + ... + 663.

It is an arithmetic number, because the mean of its divisors is an integer number (11685).

2⁶⁰²²¹ is an apocalyptic number.

It is an amenable number.

60221 is a deficient number, since it is larger than the sum of its proper divisors (9889).

60221 is a wasteful number, since it uses less digits than its factorization.

60221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 60221 is about 245.3996740014. The cubic root of 60221 is about 39.1966833929.

Adding to 60221 its reverse (12206), we get a palindrome (72427).

The spelling of 60221 in words is "sixty thousand, two hundred twenty-one".