36224221 has 8 divisors (see below), whose sum is σ = 40585824. Its totient is φ = 32040720.

The previous prime is 36224207. The next prime is 36224231. The reversal of 36224221 is 12242263.

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 36224221 - 2²¹ = 34127069 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 36224192 and 36224201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36224231) 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, 44095 + ... + 44908.

It is an arithmetic number, because the mean of its divisors is an integer number (5073228).

Almost surely, 2^36224221 is an apocalyptic number.

It is an amenable number.

36224221 is a deficient number, since it is larger than the sum of its proper divisors (4361603).

36224221 is a wasteful number, since it uses less digits than its factorization.

36224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89051.

The product of its digits is 1152, while the sum is 22.

The square root of 36224221 is about 6018.6560792257. The cubic root of 36224221 is about 330.8768264143.

Adding to 36224221 its reverse (12242263), we get a palindrome (48466484).

It can be divided in two parts, 362242 and 21, that added together give a palindrome (362263).

The spelling of 36224221 in words is "thirty-six million, two hundred twenty-four thousand, two hundred twenty-one".