2244666623 has 16 divisors (see below), whose sum is σ = 2395526400. Its totient is φ = 2098662720.

The previous prime is 2244666617. The next prime is 2244666661. The reversal of 2244666623 is 3266664422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2244666623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244666923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238283 + ... + 247523.

It is an arithmetic number, because the mean of its divisors is an integer number (149720400).

Almost surely, 2^2244666623 is an apocalyptic number.

2244666623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2244666623 is a deficient number, since it is larger than the sum of its proper divisors (150859777).

2244666623 is a wasteful number, since it uses less digits than its factorization.

2244666623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502.

The product of its digits is 497664, while the sum is 41.

The square root of 2244666623 is about 47377.9128181054. The cubic root of 2244666623 is about 1309.3345148522.

The spelling of 2244666623 in words is "two billion, two hundred forty-four million, six hundred sixty-six thousand, six hundred twenty-three".