22091127 has 16 divisors (see below), whose sum is σ = 31457280. Its totient is φ = 13759200.

The previous prime is 22091117. The next prime is 22091137. The reversal of 22091127 is 72119022.

It is an interprime number because it is at equal distance from previous prime (22091117) and next prime (22091137).

It is not a de Polignac number, because 22091127 - 2¹¹ = 22089079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22091097 and 22091106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22091117) 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 15 ways as a sum of consecutive naturals, for example, 1399 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (1966080).

Almost surely, 2^22091127 is an apocalyptic number.

22091127 is a deficient number, since it is larger than the sum of its proper divisors (9366153).

22091127 is a wasteful number, since it uses less digits than its factorization.

22091127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 22091127 is about 4700.1198920879. The cubic root of 22091127 is about 280.5902810869.

The spelling of 22091127 in words is "twenty-two million, ninety-one thousand, one hundred twenty-seven".