2122416566 has 4 divisors (see below), whose sum is σ = 3183624852. Its totient is φ = 1061208282.

The previous prime is 2122416557. The next prime is 2122416587. The reversal of 2122416566 is 6656142212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530604140 + ... + 530604143.

It is an arithmetic number, because the mean of its divisors is an integer number (795906213).

Almost surely, 2^2122416566 is an apocalyptic number.

2122416566 is a deficient number, since it is larger than the sum of its proper divisors (1061208286).

2122416566 is a wasteful number, since it uses less digits than its factorization.

2122416566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061208285.

The product of its digits is 34560, while the sum is 35.

The square root of 2122416566 is about 46069.6924886633. The cubic root of 2122416566 is about 1285.1195851301.

Adding to 2122416566 its reverse (6656142212), we get a palindrome (8778558778).

The spelling of 2122416566 in words is "two billion, one hundred twenty-two million, four hundred sixteen thousand, five hundred sixty-six".