60305221 has 16 divisors (see below), whose sum is σ = 65443840. Its totient is φ = 55384560.

The previous prime is 60305213. The next prime is 60305233. The reversal of 60305221 is 12250306.

It is a happy number.

60305221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 60305221 - 2³ = 60305213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60305251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182026 + ... + 182356.

It is an arithmetic number, because the mean of its divisors is an integer number (4090240).

Almost surely, 2^60305221 is an apocalyptic number.

It is an amenable number.

60305221 is a deficient number, since it is larger than the sum of its proper divisors (5138619).

60305221 is a wasteful number, since it uses less digits than its factorization.

60305221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 60305221 is about 7765.6436307624. The cubic root of 60305221 is about 392.1494748751.

Adding to 60305221 its reverse (12250306), we get a palindrome (72555527).

The spelling of 60305221 in words is "sixty million, three hundred five thousand, two hundred twenty-one".