22194043 has 8 divisors (see below), whose sum is σ = 23023440. Its totient is φ = 21376800.

The previous prime is 22194013. The next prime is 22194113. The reversal of 22194043 is 34049122.

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 22194043 - 2⁹ = 22193531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22193999 and 22194017.

It is not an unprimeable number, because it can be changed into a prime (22194013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (2877930).

Almost surely, 2^22194043 is an apocalyptic number.

22194043 is a deficient number, since it is larger than the sum of its proper divisors (829397).

22194043 is a wasteful number, since it uses less digits than its factorization.

22194043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22194043 is about 4711.0554019243. The cubic root of 22194043 is about 281.0253351186.

The spelling of 22194043 in words is "twenty-two million, one hundred ninety-four thousand, forty-three".