22194365 has 8 divisors (see below), whose sum is σ = 26658528. Its totient is φ = 17738640.

The previous prime is 22194349. The next prime is 22194371. The reversal of 22194365 is 56349122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22194365 - 2⁴ = 22194349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9350 + ... + 11480.

It is an arithmetic number, because the mean of its divisors is an integer number (3332316).

Almost surely, 2^22194365 is an apocalyptic number.

It is an amenable number.

22194365 is a deficient number, since it is larger than the sum of its proper divisors (4464163).

22194365 is a wasteful number, since it uses less digits than its factorization.

22194365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219.

The product of its digits is 12960, while the sum is 32.

The square root of 22194365 is about 4711.0895767328. The cubic root of 22194365 is about 281.0266941877.

The spelling of 22194365 in words is "twenty-two million, one hundred ninety-four thousand, three hundred sixty-five".