2122689466 has 8 divisors (see below), whose sum is σ = 3184230240. Its totient is φ = 1061279388.

The previous prime is 2122689431. The next prime is 2122689467. The reversal of 2122689466 is 6649862212.

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

It is not an unprimeable number, because it can be changed into a prime (2122689467) 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 3 ways as a sum of consecutive naturals, for example, 42795 + ... + 77953.

It is an arithmetic number, because the mean of its divisors is an integer number (398028780).

Almost surely, 2^2122689466 is an apocalyptic number.

2122689466 is a deficient number, since it is larger than the sum of its proper divisors (1061540774).

2122689466 is a wasteful number, since it uses less digits than its factorization.

2122689466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65348.

The product of its digits is 497664, while the sum is 46.

The square root of 2122689466 is about 46072.6542104967. The cubic root of 2122689466 is about 1285.1746629300.

The spelling of 2122689466 in words is "two billion, one hundred twenty-two million, six hundred eighty-nine thousand, four hundred sixty-six".