2122257667 has 2 divisors, whose sum is σ = 2122257668. Its totient is φ = 2122257666.

The previous prime is 2122257661. The next prime is 2122257677. The reversal of 2122257667 is 7667522212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122257667 - 2¹⁹ = 2121733379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122257661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061128833 + 1061128834.

It is an arithmetic number, because the mean of its divisors is an integer number (1061128834).

Almost surely, 2^2122257667 is an apocalyptic number.

2122257667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122257667 is an equidigital number, since it uses as much as digits as its factorization.

2122257667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 2122257667 is about 46067.9679061276. The cubic root of 2122257667 is about 1285.0875133059.

Adding to 2122257667 its reverse (7667522212), we get a palindrome (9789779879).

The spelling of 2122257667 in words is "two billion, one hundred twenty-two million, two hundred fifty-seven thousand, six hundred sixty-seven".