22730592 has 48 divisors (see below), whose sum is σ = 60307632. Its totient is φ = 7495680.

The previous prime is 22730569. The next prime is 22730611. The reversal of 22730592 is 29503722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×22730592³ (a number of 23 digits) contains 333 as substring.

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, 8092 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (1256409).

Almost surely, 2^22730592 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 22730592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30153816).

22730592 is an abundant number, since it is smaller than the sum of its proper divisors (37577040).

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

22730592 is a wasteful number, since it uses less digits than its factorization.

22730592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 22730592 is about 4767.6610617786. The cubic root of 22730592 is about 283.2719565630.

The spelling of 22730592 in words is "twenty-two million, seven hundred thirty thousand, five hundred ninety-two".