22197344 has 24 divisors (see below), whose sum is σ = 47063520. Its totient is φ = 10244736.

The previous prime is 22197337. The next prime is 22197349. The reversal of 22197344 is 44379122.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22197344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22197349) 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, 26264 + ... + 27095.

It is an arithmetic number, because the mean of its divisors is an integer number (1960980).

Almost surely, 2^22197344 is an apocalyptic number.

It is an amenable number.

22197344 is an abundant number, since it is smaller than the sum of its proper divisors (24866176).

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

22197344 is a wasteful number, since it uses less digits than its factorization.

22197344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53382 (or 53374 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 22197344 is about 4711.4057350222. The cubic root of 22197344 is about 281.0392670648.

The spelling of 22197344 in words is "twenty-two million, one hundred ninety-seven thousand, three hundred forty-four".