22144193 has 4 divisors (see below), whose sum is σ = 23107008. Its totient is φ = 21181380.

The previous prime is 22144189. The next prime is 22144219. The reversal of 22144193 is 39144122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39144122 = 2 ⋅19572061.

It is a cyclic number.

It is not a de Polignac number, because 22144193 - 2² = 22144189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144393) 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 3 ways as a sum of consecutive naturals, for example, 481373 + ... + 481418.

It is an arithmetic number, because the mean of its divisors is an integer number (5776752).

Almost surely, 2^22144193 is an apocalyptic number.

22144193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22144193 is a deficient number, since it is larger than the sum of its proper divisors (962815).

22144193 is an equidigital number, since it uses as much as digits as its factorization.

22144193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962814.

The product of its digits is 1728, while the sum is 26.

The square root of 22144193 is about 4705.7616811734. The cubic root of 22144193 is about 280.8147738931.

The spelling of 22144193 in words is "twenty-two million, one hundred forty-four thousand, one hundred ninety-three".