36322021 has 4 divisors (see below), whose sum is σ = 36510412. Its totient is φ = 36133632.

The previous prime is 36322019. The next prime is 36322051. The reversal of 36322021 is 12022363.

36322021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12022363 = 149 ⋅80687.

It can be written as a sum of positive squares in 2 ways, for example, as 3132900 + 33189121 = 1770^2 + 5761^2 .

It is a cyclic number.

It is not a de Polignac number, because 36322021 - 2¹ = 36322019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36322021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36322051) 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 3 ways as a sum of consecutive naturals, for example, 93906 + ... + 94291.

It is an arithmetic number, because the mean of its divisors is an integer number (9127603).

Almost surely, 2^36322021 is an apocalyptic number.

It is an amenable number.

36322021 is a deficient number, since it is larger than the sum of its proper divisors (188391).

36322021 is a wasteful number, since it uses less digits than its factorization.

36322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188390.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 36322021 is about 6026.7753400969. The cubic root of 36322021 is about 331.1743315473.

Adding to 36322021 its reverse (12022363), we get a palindrome (48344384).

The spelling of 36322021 in words is "thirty-six million, three hundred twenty-two thousand, twenty-one".