22648248 has 80 divisors (see below), whose sum is σ = 72512880. Its totient is φ = 6469632.

The previous prime is 22648237. The next prime is 22648253. The reversal of 22648248 is 84284622.

It is a happy number.

22648248 is a `hidden beast` number, since 2 + 2 + 648 + 2 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 19 ways as a sum of consecutive naturals, for example, 2040 + ... + 7032.

It is an arithmetic number, because the mean of its divisors is an integer number (906411).

Almost surely, 2^22648248 is an apocalyptic number.

22648248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22648248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36256440).

22648248 is an abundant number, since it is smaller than the sum of its proper divisors (49864632).

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

22648248 is a wasteful number, since it uses less digits than its factorization.

22648248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018 (or 5005 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 22648248 is about 4759.0175456705. The cubic root of 22648248 is about 282.9294816950.

The spelling of 22648248 in words is "twenty-two million, six hundred forty-eight thousand, two hundred forty-eight".