2246666789 has 4 divisors (see below), whose sum is σ = 2247885024. Its totient is φ = 2245448556.

The previous prime is 2246666771. The next prime is 2246666819. The reversal of 2246666789 is 9876666422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2246666789 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246666729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606347 + ... + 610040.

It is an arithmetic number, because the mean of its divisors is an integer number (561971256).

Almost surely, 2^2246666789 is an apocalyptic number.

It is an amenable number.

2246666789 is a deficient number, since it is larger than the sum of its proper divisors (1218235).

2246666789 is a wasteful number, since it uses less digits than its factorization.

2246666789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218234.

The product of its digits is 10450944, while the sum is 56.

The square root of 2246666789 is about 47399.0167514053. The cubic root of 2246666789 is about 1309.7233044187.

The spelling of 2246666789 in words is "two billion, two hundred forty-six million, six hundred sixty-six thousand, seven hundred eighty-nine".