22164127 has 4 divisors (see below), whose sum is σ = 23330680. Its totient is φ = 20997576.

The previous prime is 22164097. The next prime is 22164133. The reversal of 22164127 is 72146122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72146122 = 2 ⋅36073061.

It is a cyclic number.

It is not a de Polignac number, because 22164127 - 2²³ = 13775519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22164137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583248 + ... + 583285.

It is an arithmetic number, because the mean of its divisors is an integer number (5832670).

Almost surely, 2^22164127 is an apocalyptic number.

22164127 is a deficient number, since it is larger than the sum of its proper divisors (1166553).

22164127 is a wasteful number, since it uses less digits than its factorization.

22164127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166552.

The product of its digits is 1344, while the sum is 25.

The square root of 22164127 is about 4707.8792465398. The cubic root of 22164127 is about 280.8990109187.

The spelling of 22164127 in words is "twenty-two million, one hundred sixty-four thousand, one hundred twenty-seven".