2122667 has 2 divisors, whose sum is σ = 2122668. Its totient is φ = 2122666.

The previous prime is 2122657. The next prime is 2122691. The reversal of 2122667 is 7662212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2122657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061333 + 1061334.

It is an arithmetic number, because the mean of its divisors is an integer number (1061334).

2^2122667 is an apocalyptic number.

2122667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122667 is an equidigital number, since it uses as much as digits as its factorization.

2122667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 2122667 is about 1456.9375415576. The cubic root of 2122667 is about 128.5170128928.

Adding to 2122667 its reverse (7662212), we get a palindrome (9784879).

The spelling of 2122667 in words is "two million, one hundred twenty-two thousand, six hundred sixty-seven".