36221210 has 8 divisors (see below), whose sum is σ = 65198196. Its totient is φ = 14488480.

The previous prime is 36221209. The next prime is 36221219. The reversal of 36221210 is 1212263.

It can be written as a sum of positive squares in 2 ways, for example, as 33651601 + 2569609 = 5801^2 + 1603^2 .

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

It is not an unprimeable number, because it can be changed into a prime (36221219) 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, 1811051 + ... + 1811070.

Almost surely, 2^36221210 is an apocalyptic number.

36221210 is a deficient number, since it is larger than the sum of its proper divisors (28976986).

36221210 is a wasteful number, since it uses less digits than its factorization.

36221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622128.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 36221210 is about 6018.4059351293. The cubic root of 36221210 is about 330.8676585362.

Adding to 36221210 its reverse (1212263), we get a palindrome (37433473).

The spelling of 36221210 in words is "thirty-six million, two hundred twenty-one thousand, two hundred ten".