2205100 has 18 divisors (see below), whose sum is σ = 4785284. Its totient is φ = 882000.

The previous prime is 2205067. The next prime is 2205107. The reversal of 2205100 is 15022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2205107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10926 + ... + 11125.

2^2205100 is an apocalyptic number.

2205100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205100 is an abundant number, since it is smaller than the sum of its proper divisors (2580184).

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

2205100 is a wasteful number, since it uses less digits than its factorization.

2205100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22065 (or 22058 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 2205100 is about 1484.9579118615. The cubic root of 2205100 is about 130.1595673739.

The spelling of 2205100 in words is "two million, two hundred five thousand, one hundred".