2245646 has 8 divisors (see below), whose sum is σ = 3627624. Its totient is φ = 1036440.

The previous prime is 2245643. The next prime is 2245657. The reversal of 2245646 is 6465422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43160 + ... + 43211.

It is an arithmetic number, because the mean of its divisors is an integer number (453453).

2^2245646 is an apocalyptic number.

2245646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2245646 is a deficient number, since it is larger than the sum of its proper divisors (1381978).

2245646 is a wasteful number, since it uses less digits than its factorization.

2245646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86386.

The product of its digits is 11520, while the sum is 29.

The square root of 2245646 is about 1498.5479638637. The cubic root of 2245646 is about 130.9524913676.

The spelling of 2245646 in words is "two million, two hundred forty-five thousand, six hundred forty-six".