2246745646 has 8 divisors (see below), whose sum is σ = 3478832064. Its totient is φ = 1087134960.

The previous prime is 2246745643. The next prime is 2246745647. The reversal of 2246745646 is 6465476422.

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

It is a junction number, because it is equal to n+sod(n) for n = 2246745596 and 2246745605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246745643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18118855 + ... + 18118978.

It is an arithmetic number, because the mean of its divisors is an integer number (434854008).

Almost surely, 2^2246745646 is an apocalyptic number.

2246745646 is a deficient number, since it is larger than the sum of its proper divisors (1232086418).

2246745646 is a wasteful number, since it uses less digits than its factorization.

2246745646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36237866.

The product of its digits is 1935360, while the sum is 46.

The square root of 2246745646 is about 47399.8485862561. The cubic root of 2246745646 is about 1309.7386278069.

The spelling of 2246745646 in words is "two billion, two hundred forty-six million, seven hundred forty-five thousand, six hundred forty-six".