22315248 has 60 divisors (see below), whose sum is σ = 62771280. Its totient is φ = 7400448.

The previous prime is 22315247. The next prime is 22315261. The reversal of 22315248 is 84251322.

It is a super-3 number, since 3×22315248³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22315247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50613 + ... + 51051.

It is an arithmetic number, because the mean of its divisors is an integer number (1046188).

Almost surely, 2^22315248 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 22315248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31385640).

22315248 is an abundant number, since it is smaller than the sum of its proper divisors (40456032).

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

22315248 is a wasteful number, since it uses less digits than its factorization.

22315248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 797 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 22315248 is about 4723.9017771330. The cubic root of 22315248 is about 281.5359805182.

The spelling of 22315248 in words is "twenty-two million, three hundred fifteen thousand, two hundred forty-eight".