36213223 has 4 divisors (see below), whose sum is σ = 36533808. Its totient is φ = 35892640.

The previous prime is 36213167. The next prime is 36213227. The reversal of 36213223 is 32231263.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36213223 - 2¹³ = 36205031 is a prime.

It is a super-2 number, since 2×36213223² = 2622795040095458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36213194 and 36213203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36213227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160123 + ... + 160348.

It is an arithmetic number, because the mean of its divisors is an integer number (9133452).

Almost surely, 2^36213223 is an apocalyptic number.

36213223 is a deficient number, since it is larger than the sum of its proper divisors (320585).

36213223 is a wasteful number, since it uses less digits than its factorization.

36213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320584.

The product of its digits is 1296, while the sum is 22.

The square root of 36213223 is about 6017.7423507492. The cubic root of 36213223 is about 330.8433372959.

Adding to 36213223 its reverse (32231263), we get a palindrome (68444486).

The spelling of 36213223 in words is "thirty-six million, two hundred thirteen thousand, two hundred twenty-three".