2245021 has 8 divisors (see below), whose sum is σ = 2380320. Its totient is φ = 2111472.

The previous prime is 2245013. The next prime is 2245031. The reversal of 2245021 is 1205422.

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 2245021 - 2³ = 2245013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2244986 and 2245004.

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 7 ways as a sum of consecutive naturals, for example, 2946 + ... + 3628.

It is an arithmetic number, because the mean of its divisors is an integer number (297540).

2^2245021 is an apocalyptic number.

It is an amenable number.

2245021 is a deficient number, since it is larger than the sum of its proper divisors (135299).

2245021 is a wasteful number, since it uses less digits than its factorization.

2245021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2245021 is about 1498.3394141515. The cubic root of 2245021 is about 130.9403415005.

The spelling of 2245021 in words is "two million, two hundred forty-five thousand, twenty-one".