22194534 has 8 divisors (see below), whose sum is σ = 44389080. Its totient is φ = 7398176.

The previous prime is 22194479. The next prime is 22194539. The reversal of 22194534 is 43549122.

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

22194534 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22194539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849539 + ... + 1849550.

It is an arithmetic number, because the mean of its divisors is an integer number (5548635).

Almost surely, 2^22194534 is an apocalyptic number.

22194534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22194534 is a wasteful number, since it uses less digits than its factorization.

22194534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699094.

The product of its digits is 8640, while the sum is 30.

The square root of 22194534 is about 4711.1075131014. The cubic root of 22194534 is about 281.0274074828.

The spelling of 22194534 in words is "twenty-two million, one hundred ninety-four thousand, five hundred thirty-four".