2122567 has 4 divisors (see below), whose sum is σ = 2167776. Its totient is φ = 2077360.

The previous prime is 2122553. The next prime is 2122573. The reversal of 2122567 is 7652212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122567 - 2¹⁹ = 1598279 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 1 + 2¹⁰ + 2¹² + 5⁹ + 6⁶ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22534 + ... + 22627.

It is an arithmetic number, because the mean of its divisors is an integer number (541944).

2^2122567 is an apocalyptic number.

2122567 is a deficient number, since it is larger than the sum of its proper divisors (45209).

2122567 is an equidigital number, since it uses as much as digits as its factorization.

2122567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45208.

The product of its digits is 1680, while the sum is 25.

The square root of 2122567 is about 1456.9032225924. The cubic root of 2122567 is about 128.5149946922.

Adding to 2122567 its reverse (7652212), we get a palindrome (9774779).

The spelling of 2122567 in words is "two million, one hundred twenty-two thousand, five hundred sixty-seven".