36234212221 has 8 divisors (see below), whose sum is σ = 37221074784. Its totient is φ = 35247747600.

The previous prime is 36234212137. The next prime is 36234212227. The reversal of 36234212221 is 12221243263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36234212221 - 2¹³ = 36234204029 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 36234212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36234212227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89946 + ... + 283828.

It is an arithmetic number, because the mean of its divisors is an integer number (4652634348).

Almost surely, 2^36234212221 is an apocalyptic number.

It is an amenable number.

36234212221 is a deficient number, since it is larger than the sum of its proper divisors (986862563).

36234212221 is a wasteful number, since it uses less digits than its factorization.

36234212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198971.

The product of its digits is 6912, while the sum is 28.

Adding to 36234212221 its reverse (12221243263), we get a palindrome (48455455484).

The spelling of 36234212221 in words is "thirty-six billion, two hundred thirty-four million, two hundred twelve thousand, two hundred twenty-one".