2122071667 has 8 divisors (see below), whose sum is σ = 2167868736. Its totient is φ = 2076301632.

The previous prime is 2122071659. The next prime is 2122071673. The reversal of 2122071667 is 7661702212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122071667 - 2³ = 2122071659 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2122074667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291423 + ... + 298615.

It is an arithmetic number, because the mean of its divisors is an integer number (270983592).

Almost surely, 2^2122071667 is an apocalyptic number.

2122071667 is a deficient number, since it is larger than the sum of its proper divisors (45797069).

2122071667 is an equidigital number, since it uses as much as digits as its factorization.

2122071667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13517.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 2122071667 is about 46065.9491056029. The cubic root of 2122071667 is about 1285.0499694417.

Adding to 2122071667 its reverse (7661702212), we get a palindrome (9783773879).

The spelling of 2122071667 in words is "two billion, one hundred twenty-two million, seventy-one thousand, six hundred sixty-seven".