2105227 has 4 divisors (see below), whose sum is σ = 2156616. Its totient is φ = 2053840.

The previous prime is 2105209. The next prime is 2105231. The reversal of 2105227 is 7225012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105267) 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, 25633 + ... + 25714.

It is an arithmetic number, because the mean of its divisors is an integer number (539154).

2^2105227 is an apocalyptic number.

2105227 is a deficient number, since it is larger than the sum of its proper divisors (51389).

2105227 is an equidigital number, since it uses as much as digits as its factorization.

2105227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51388.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2105227 is about 1450.9400401119. The cubic root of 2105227 is about 128.1640758862.

It can be divided in two parts, 2105 and 227, that added together give a palindrome (2332).

The spelling of 2105227 in words is "two million, one hundred five thousand, two hundred twenty-seven".