36221016 has 64 divisors (see below), whose sum is σ = 103269600. Its totient is φ = 10487808.

The previous prime is 36220997. The next prime is 36221077. The reversal of 36221016 is 61012263.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 36220983 and 36221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890 + ... + 8718.

Almost surely, 2^36221016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36221016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51634800).

36221016 is an abundant number, since it is smaller than the sum of its proper divisors (67048584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36221016 is a wasteful number, since it uses less digits than its factorization.

36221016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868 (or 6864 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 36221016 is about 6018.3898178832. The cubic root of 36221016 is about 330.8670678285.

Adding to 36221016 its reverse (61012263), we get a palindrome (97233279).

The spelling of 36221016 in words is "thirty-six million, two hundred twenty-one thousand, sixteen".