2245039 has 4 divisors (see below), whose sum is σ = 2253256. Its totient is φ = 2236824.

The previous prime is 2245031. The next prime is 2245043. The reversal of 2245039 is 9305422.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2245039 - 2³ = 2245031 is a prime.

It is a super-2 number, since 2×2245039² = 10080400223042, which contains 22 as substring.

It is a Duffinian number.

2245039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245031) 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, 3684 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (563314).

2^2245039 is an apocalyptic number.

2245039 is a deficient number, since it is larger than the sum of its proper divisors (8217).

2245039 is an equidigital number, since it uses as much as digits as its factorization.

2245039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2245039 is about 1498.3454207892. The cubic root of 2245039 is about 130.9406914482.

The spelling of 2245039 in words is "two million, two hundred forty-five thousand, thirty-nine".