2245109 has 4 divisors (see below), whose sum is σ = 2252640. Its totient is φ = 2237580.

The previous prime is 2245063. The next prime is 2245121. The reversal of 2245109 is 9015422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2245109 - 2¹² = 2241013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245189) 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, 3299 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (563160).

2^2245109 is an apocalyptic number.

It is an amenable number.

2245109 is a deficient number, since it is larger than the sum of its proper divisors (7531).

2245109 is an equidigital number, since it uses as much as digits as its factorization.

2245109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2245109 is about 1498.3687797068. The cubic root of 2245109 is about 130.9420523382.

The spelling of 2245109 in words is "two million, two hundred forty-five thousand, one hundred nine".