2290445 has 8 divisors (see below), whose sum is σ = 2770944. Its totient is φ = 1817424.

The previous prime is 2290441. The next prime is 2290459. The reversal of 2290445 is 5440922.

2290445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2290445 - 2² = 2290441 is a prime.

It is a super-2 number, since 2×2290445² = 10492276596050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (346368).

2^2290445 is an apocalyptic number.

It is an amenable number.

2290445 is a deficient number, since it is larger than the sum of its proper divisors (480499).

2290445 is a wasteful number, since it uses less digits than its factorization.

2290445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2290445 is about 1513.4216200385. The cubic root of 2290445 is about 131.8175663143.

The spelling of 2290445 in words is "two million, two hundred ninety thousand, four hundred forty-five".