2251105 has 16 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 1722240.

The previous prime is 2251103. The next prime is 2251111. The reversal of 2251105 is 5011522.

It is not a de Polignac number, because 2251105 - 2¹ = 2251103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16126 + ... + 16264.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^2251105 is an apocalyptic number.

It is an amenable number.

2251105 is a deficient number, since it is larger than the sum of its proper divisors (571295).

2251105 is a wasteful number, since it uses less digits than its factorization.

2251105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2251105 is about 1500.3682881213. The cubic root of 2251105 is about 131.0585174534.

Adding to 2251105 its reverse (5011522), we get a palindrome (7262627).

The spelling of 2251105 in words is "two million, two hundred fifty-one thousand, one hundred five".