2126222667 has 12 divisors (see below), whose sum is σ = 3177114720. Its totient is φ = 1368602928.

The previous prime is 2126222663. The next prime is 2126222687. The reversal of 2126222667 is 7662226212.

2126222667 is a `hidden beast` number, since 2 + 1 + 2 + 622 + 26 + 6 + 7 = 666.

It is not a de Polignac number, because 2126222667 - 2² = 2126222663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2126222663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4072963 + ... + 4073484.

It is an arithmetic number, because the mean of its divisors is an integer number (264759560).

Almost surely, 2^2126222667 is an apocalyptic number.

2126222667 is a deficient number, since it is larger than the sum of its proper divisors (1050892053).

2126222667 is a wasteful number, since it uses less digits than its factorization.

2126222667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146482 (or 8146479 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2126222667 is about 46110.9820650135. The cubic root of 2126222667 is about 1285.8873222613.

Adding to 2126222667 its reverse (7662226212), we get a palindrome (9788448879).

The spelling of 2126222667 in words is "two billion, one hundred twenty-six million, two hundred twenty-two thousand, six hundred sixty-seven".