22041191 has 8 divisors (see below), whose sum is σ = 22741104. Its totient is φ = 21352320.

The previous prime is 22041181. The next prime is 22041193. The reversal of 22041191 is 19114022.

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 22041191 - 2¹⁰ = 22040167 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 (22041193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (2842638).

Almost surely, 2^22041191 is an apocalyptic number.

22041191 is a deficient number, since it is larger than the sum of its proper divisors (699913).

22041191 is an equidigital number, since it uses as much as digits as its factorization.

22041191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 22041191 is about 4694.8046817732. The cubic root of 22041191 is about 280.3787010100.

The spelling of 22041191 in words is "twenty-two million, forty-one thousand, one hundred ninety-one".