22193472 has 112 divisors (see below), whose sum is σ = 68681600. Its totient is φ = 6322176.

The previous prime is 22193471. The next prime is 22193473. The reversal of 22193472 is 27439122.

It is an interprime number because it is at equal distance from previous prime (22193471) and next prime (22193473).

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22193471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65688 + ... + 66024.

Almost surely, 2^22193472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22193472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34340800).

22193472 is an abundant number, since it is smaller than the sum of its proper divisors (46488128).

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

22193472 is an equidigital number, since it uses as much as digits as its factorization.

22193472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 349 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 22193472 is about 4710.9947994028. The cubic root of 22193472 is about 281.0229250598.

The spelling of 22193472 in words is "twenty-two million, one hundred ninety-three thousand, four hundred seventy-two".