36301221 has 24 divisors (see below), whose sum is σ = 57997056. Its totient is φ = 21695040.

The previous prime is 36301193. The next prime is 36301253. The reversal of 36301221 is 12210363.

36301221 is a `hidden beast` number, since 3 + 630 + 12 + 21 = 666.

36301221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36301221 - 2⁵ = 36301189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36301194 and 36301203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36301271) 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 23 ways as a sum of consecutive naturals, for example, 4716 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (2416544).

Almost surely, 2^36301221 is an apocalyptic number.

It is an amenable number.

36301221 is a deficient number, since it is larger than the sum of its proper divisors (21695835).

36301221 is a wasteful number, since it uses less digits than its factorization.

36301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113 (or 5110 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 36301221 is about 6025.0494603779. The cubic root of 36301221 is about 331.1111032244. Note that the first 4 decimals are identical.

Adding to 36301221 its reverse (12210363), we get a palindrome (48511584).

It can be divided in two parts, 3630 and 1221, that added together give a triangular number (4851 = T₉₈).

The spelling of 36301221 in words is "thirty-six million, three hundred one thousand, two hundred twenty-one".