36221100 has 36 divisors (see below), whose sum is σ = 104800584. Its totient is φ = 9658880.

The previous prime is 36221099. The next prime is 36221111. The reversal of 36221100 is 112263.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 36221100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60069 + ... + 60668.

Almost surely, 2^36221100 is an apocalyptic number.

36221100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36221100 is an abundant number, since it is smaller than the sum of its proper divisors (68579484).

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

36221100 is a wasteful number, since it uses less digits than its factorization.

36221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120754 (or 120747 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 36221100 is about 6018.3967964899. The cubic root of 36221100 is about 330.8673235991.

Adding to 36221100 its reverse (112263), we get a palindrome (36333363).

The spelling of 36221100 in words is "thirty-six million, two hundred twenty-one thousand, one hundred".