22165423 has 8 divisors (see below), whose sum is σ = 25385760. Its totient is φ = 18958560.

The previous prime is 22165411. The next prime is 22165439. The reversal of 22165423 is 32456122.

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 22165423 - 2⁹ = 22164911 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 (22165463) 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, 453 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (3173220).

Almost surely, 2^22165423 is an apocalyptic number.

22165423 is a deficient number, since it is larger than the sum of its proper divisors (3220337).

22165423 is an equidigital number, since it uses as much as digits as its factorization.

22165423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737.

The product of its digits is 2880, while the sum is 25.

The square root of 22165423 is about 4708.0168861209. The cubic root of 22165423 is about 280.9044858019.

The spelling of 22165423 in words is "twenty-two million, one hundred sixty-five thousand, four hundred twenty-three".